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Authority:
Sec. 301, Pub. L. 94–163, 89 Stat. 901 (15 U.S.C. 2001, 2003, 2005, 2006). Source:
42 FR 45662, Sept. 12, 1977, unless otherwise noted. (a) Except as provided in paragraph (c) of this section, the provisions of this subpart are applicable to 1985 and later model year gasoline-fueled and diesel automobiles. (b)(1) Manufacturers that produce only electric vehicles are exempt from the requirement of this subpart, except with regard to the requirements in those sections pertaining specifically to electric vehicles. (2) Manufacturers with worldwide production (excluding electric vehicle production) of less than 10,000 gasoline-fueled and/or diesel powered passenger automobiles and light trucks may optionally comply with the electric vehicle requirements in this subpart. (c) Subject to prior approval by the Administrator, manufacturers may optionally implement, for 1985 model year vehicles, provisions of this subpart that are applicable to 1986 and later model year vehicles. [49 FR 13847, Apr. 6, 1984] § 600.501-86 General applicability.(a) The provisions of this subpart are applicable to 1986 and later model year gasoline-fueled and diesel automobiles. (b)(1) Manufacturers that produce only electric vehicles are exempt from the requirement of this subpart, except with regard to the requirements in those sections pertaining specifically to electric vehicles. (2) Manufacturers with worldwide production (excluding electric vehicle production) of less than 10,000 gasoline-fueled and/or diesel powered passenger automobiles and light trucks may optionally comply with the electric vehicle requirements in this subpart. [49 FR 13853, Apr. 6, 1984] § 600.501-93 General applicability.(a) The provisions of this subpart are applicable to 1993 and later model year gasoline-fueled, diesel-fueled, alcohol-fueled, natural gas-fueled, alcohol dual fuel and natural gas dual fuel automobiles. (b)(1) Manufacturers that produce only electric vehicles are exempt from the requirement of this subpart, except with regard to the requirements in those sections pertaining specifically to electric vehicles. (2) Manufacturers with worldwide production (excluding electric vehicle production) of less than 10,000 gasoline-fueled and/or diesel powered passenger automobiles and light trucks may optionally comply with the electric vehicle requirements in this subpart. [59 FR 39659, Aug. 3, 1994] § 600.502-81 Definitions.(a) The following definitions apply beginning with the 1979 model year. The definitions in §600.502–78 remain effective except that provision (a)(2)(ii) is hereby superseded. The definitions in §600.002 also apply to this subpart. (1) “Declared value” of imported components shall be: (i) The value at which components are declared by the importer to the U.S. Customs Service at the date of entry into the customs territory of the United States, or (ii) With respect to imports into Canada, the declared value of such components as if they were declared as imports into the United States at the date of entry into Canada, or (iii) With respect to imports into Mexico (when §600.511–80(b)(3) applies), the declared value of such components as if they were declared as imports into the United States at the date of entry into Mexico. (2) Cost of production of a car line shall mean the aggregate of the products of: (i) The average U.S. dealer wholesale price for such car line as computed from each official dealer price list effective during the course of a model year, and (ii) The number of automobiles within the car line produced during the part of the model year that the price list was in effect. (3) Equivalent petroleum-based fuel economy value means a number which represents the average number of miles traveled by an electric vehicle per gallon of gasoline. [45 FR 49262, July 24, 1980, as amended at 59 FR 678, Jan. 6, 1994; 59 FR 33914, July 1, 1994] § 600.503-78 Abbreviations.The abbreviations in §600.003 apply to this subpart. § 600.504-78 Section numbering, construction.The section numbering procedure set forth in §600.004 applies to this subpart. § 600.505-78 Recordkeeping.The recordkeeping procedure set forth in §600.005 applies to this subpart. § 600.507-08 Running change data requirements.(a) Except as specified in paragraph (d) of this section, the manufacturer shall submit additional running change fuel economy data as specified in paragraph (b) of this section for any running change approved or implemented under §§86.079–32, 86.079–33, or 86.082–34 or 86.1842–01 as applicable, which: (1) Creates a new base level or, (2) Affects an existing base level by: (i) Adding an axle ratio which is at least 10 percent larger (or, optionally, 10 percent smaller) than the largest axle ratio tested. (ii) Increasing (or, optionally, decreasing) the road-load horsepower for a subconfiguration by 10 percent or more for the individual running change or, when considered cumulatively, since original certification (for each cumulative 10 percent increase using the originally certified road-load horsepower as a base). (iii) Adding a new subconfiguration by increasing (or, optionally, decreasing) the equivalent test weight for any previously tested subconfiguration in the base level. (b)(1) The additional running change fuel economy data requirement in paragraph (a) of this section will be determined based on the sales of the vehicle configurations in the created or affected base level(s) as updated at the time of running change approval. (2) Within each newly created base level as specified in paragraph (a)(1) of this section, the manufacturer shall submit data from the highest projected total model year sales subconfiguration within the highest projected total model year sales configuration in the base level. (3) Within each base level affected by a running change as specified in paragraph (a)(2) of this section, fuel economy data shall be submitted for the vehicle configuration created or affected by the running change which has the highest total model year sales. The test vehicle shall be of the subconfiguration created by the running change which has the highest projected total model year sales within the applicable vehicle configuration. (c) The manufacturer shall submit the fuel economy data required by this section to the Administrator in accordance with §600.314(b). (d) For those model types created under §600.208–08(a)(2), the manufacturer shall submit data for each subconfiguration added by a running change. [71 FR 77954, Dec. 27, 2006] § 600.507-86 Running change data requirements.(a) Except as specified in paragraph (d) of this section, the manufacturer shall submit additional running change fuel economy data as specified in paragraph (b) of this section for any running change approved or implemented under 40 CFR 86.079–32, 86.079–33, or 86.082–34 or 40 CFR 86.1842–01 as applicable, which: (1) Creates a new base level or, (2) Affects an existing base level by: (i) Adding an axle ratio which is at least 10 percent larger (or, optionally, 10 percent smaller) than the largest axle ratio tested. (ii) Increasing (or, optionally, decreasing) the road-load horsepower for a subconfiguration by 10 percent or more for the individual running change or, when considered cumulatively, since original certification (for each cumulative 10 percent increase using the originally certified road-load horsepower as a base). (iii) Adding a new subconfiguration by increasing (or, optionally, decreasing) the equivalent test weight for any previously tested subconfiguration in the base level. (b)(1) The additional running change fuel economy data requirement in paragraph (a) of this section will be determined based on the sales of the vehicle configurations in the created or affected base level(s) as updated at the time of running change approval. (2) Within each newly created base level as specified in paragraph (a)(1) of this section, the manufacturer shall submit data from the highest projected total model year sales subconfiguration within the highest projected total model year sales configuration in the base level. (3) Within each base level affected by a running change as specified in paragraph (a)(2) of this section, fuel economy data shall be submitted for the vehicle configuration created or affected by the running change which has the highest total model year sales. The test vehicle shall be of the subconfiguration created by the running change which has the highest projected total model year sales within the applicable vehicle configuration. (c) The manufacturer shall submit the fuel economy data required by this section to the Administrator in accordance with §600.314(b). (d) For those model types created under §600.207(a)(2), the manufacturer shall submit data for each subconfiguration added by a running change. [49 FR 13854, Apr. 6, 1984, as amended at 49 FR 48150, Dec. 10, 1984; 64 FR 23976, May 4, 1999] § 600.509-86 Voluntary submission of additional data.(a) The manufacturer may, at his option, submit data in addition to the data required by the Administrator. (b) Additional fuel economy data may be submitted by the manufacturer for any vehicle configuration which is to be tested as required in §600.507 or for which fuel economy data were previously submitted under paragraph (c) of this section. (c) Within a base level, additional fuel economy data may be submitted by manufacturing for any vehicle configuration which is not required to be tested by §600.507. [49 FR 13854, Apr. 6, 1984] § 600.510-08 Calculation of average fuel economy.(a) Average fuel economy will be calculated to the nearest 0.1 mpg for the classes of automobiles identified in this section, and the results of such calculations will be reported to the Secretary of Transportation for use in determining compliance with the applicable fuel economy standards. (1) An average fuel economy calculation will be made for the category of passenger automobiles that is domestically manufactured as defined in §600.511(d)(1). (2) An average fuel economy calculation will be made for the category of passenger automobiles that is not domestically manufactured as defined in §600.511(d)(2). (3) An average fuel economy calculation will be made for the category of light trucks that is domestically manufactured as defined in §600.511(e)(1). (4) An average fuel economy calculation will be made for the category of light trucks that is not domestically manufactured as defined in §600.511(e)(2). (b) For the purpose of calculating average fuel economy under paragraph (c), of this section: (1) All fuel economy data submitted in accordance with §600.006(e) or §600.512(c) shall be used. (2) The combined city/highway fuel economy will be calculated for each model type in accordance with §600.208–08 of this section except that: (i) Separate fuel economy values will be calculated for model types and base levels associated with car lines that are: (A) Domestically produced; and (B) Nondomestically produced and imported; (ii) Total model year production data, as required by this subpart, will be used instead of sales projections; (iii) The fuel economy value of diesel-powered model types will be multiplied by the factor 1.0 to correct gallons of diesel fuel to equivalent gallons of gasoline; (iv) The fuel economy value will be rounded to the nearest 0.1 mpg; and (v) At the manufacturer's option, those vehicle configurations that are self-compensating to altitude changes may be separated by sales into high-altitude sales categories and low-altitude sales categories. These separate sales categories may then be treated (only for the purpose of this section) as separate configurations in accordance with the procedure of §600.208–08(a)(4)(ii). (3) The fuel economy value for each vehicle configuration is the combined fuel economy calculated according to §600.206–08(a)(3) except that: (i) Separate fuel economy values will be calculated for vehicle configurations associated with car lines that are: (A) Domestically produced; and (B) Nondomestically produced and imported; (ii) Total model year production data, as required by this subpart will be used instead of sales projections; and (iii) The fuel economy value of diesel-powered model types will be multiplied by the factor 1.0 to convert gallons of diesel fuel to equivalent gallons of gasoline. (c) Except as permitted in paragraph (d) of this section, the average fuel economy will be calculated individually for each category identified in paragraph (a) of this section as follows: (1) Divide the total production volume of that category of automobiles; by (2) A sum of terms, each of which corresponds to a model type within that category of automobiles and is a fraction determined by dividing: (i) The number of automobiles of that model type produced by the manufacturer in the model year; by (ii) For gasoline-fueled and diesel-fueled model types, the fuel economy calculated for that model type in accordance with paragraph (b)(2) of this section; or (iii) For alcohol-fueled model types, the fuel economy value calculated for that model type in accordance with paragraph (b)(2) of this section divided by 0.15 and rounded to the nearest 0.1 mpg; or (iv) For natural gas-fueled model types, the fuel economy value calculated for that model type in accordance with paragraph (b)(2) of this section divided by 0.15 and rounded to the nearest 0.1 mpg; or (v) For alcohol dual fuel model types, for model years 1993 through 2004, the harmonic average of the following two terms; the result rounded to the nearest 0.1 mpg: (A) The combined model type fuel economy value for operation on gasoline or diesel fuel as determined in §600.208(b)(5)(i); and (B) The combined model type fuel economy value for operation on alcohol fuel as determined in §600.208(b)(5)(ii) divided by 0.15 provided the requirements of §600.510(g) are met; or (vi) For natural gas dual fuel model types, for model years 1993 through 2004, the harmonic average of the following two terms; the result rounded to the nearest 0.1 mpg: (A) The combined model type fuel economy value for operation on gasoline or diesel as determined in §600.208(b)(5)(i); and (B) The combined model type fuel economy value for operation on natural gas as determined in §600.208(b)(5)(ii) divided by 0.15 provided the requirements of paragraph (g) of this section are met. (d) The Administrator may approve alternative calculation methods if they are part of an approved credit plan under the provisions of 15 U.S.C. 2003. (e) For passenger categories identified in paragraphs (a)(1) and (2) of this section, the average fuel economy calculated in accordance with paragraph (c) of this section shall be adjusted using the following equation: AFEadj= AFE[((0.55 × a × c) + (0.45 × c) + (0.5556 × a) + 0.4487) / ((0.55 × a) + 0.45)] + IW Where: AFEadj= Adjusted average combined fuel economy, rounded to the nearest 0.1 mpg. AFE = Average combined fuel economy as calculated in paragraph (c) of this section, rounded to the nearest 0.0001 mpg. a = Sales-weight average (rounded to the nearest 0.0001 mpg) of all model type highway fuel economy values (rounded to the nearest 0.1 mpg) divided by the sales-weighted average (rounded to the nearest 0.0001 mpg) of all model type city fuel economy values (rounded to the nearest 0.1 mpg). The quotient shall be rounded to 4 decimal places. These average fuel economies shall be determined using the methodology of paragraph (c) of this section. c = 0.0022 for the 1986 model year. c = A constant value, fixed by model year. For 1987, the Administrator will specify the c value after the necessary laboratory humidity and test fuel data become available. For 1988 and later model years, the Administrator will specify the c value after the necessary laboratory humidity and test fuel data become available. IW = (9.2917 × 10−3× SF3IWC× FE3IWC) − (3.5123 × 10−3x× SF4ETW× FE4IWC). Note: Any calculated value of IW less than zero shall be set equal to zero. SF3IWC= The 3000 lb. inertia weight class sales divided by total sales. The quotient shall be rounded to 4 decimal places. SF4ETW= The 4000 lb. equivalent test weight category sales divided by total sales. The quotient shall be rounded to 4 decimal places. FE4IWC= The sales-weighted average combined fuel economy of all 3000 lb. inertia weight class base levels in the compliance category. Round the result to the nearest 0.0001 mpg. FE4IWC= The sales-weighted average combined fuel economy of all 4000 lb. inertia weight class base levels in the compliance category. Round the result to the nearest 0.0001 mpg. (f) The Administrator shall calculate and apply additional average fuel economy adjustments if, after notice and opportunity for comment, the Administrator determines that, as a result of test procedure changes not previously considered, such correction is necessary to yield fuel economy test results that are comparable to those obtained under the 1975 test procedures. In making such determinations, the Administrator must find that: (1) A directional change in measured fuel economy of an average vehicle can be predicted from a revision to the test procedures; (2) The magnitude of the change in measured fuel economy for any vehicle or fleet of vehicles caused by a revision to the test procedures is quantifiable from theoretical calculations or best available test data; (3) The impact of a change on average fuel economy is not due to eliminating the ability of manufacturers to take advantage of flexibility within the existing test procedures to gain measured improvements in fuel economy which are not the result of actual improvements in the fuel economy of production vehicles; (4) The impact of a change on average fuel economy is not solely due to a greater ability of manufacturers to reflect in average fuel economy those design changes expected to have comparable effects on in-use fuel economy; (5) The test procedure change is required by EPA or is a change initiated by EPA in its laboratory and is not a change implemented solely by a manufacturer in its own laboratory. (g)(1) Alcohol dual fuel automobiles and natural gas dual fuel automobiles must provide equal or greater energy efficiency while operating on alcohol or natural gas as while operating on gasoline or diesel fuel to obtain the CAFE credit determined in paragraphs (c)(2)(v) and (vi) of this section. The following equation must hold true: Ealt/Epet> or = 1 Where: Ealt= [FEalt/(NHValt× Dalt)] × 106 = energy efficiency while operating on alternative fuel rounded to the nearest 0.01 miles/million BTU. Epet= [FEpet/(NHVpet× Dpet)] × 106 = energy efficiency while operating on gasoline or diesel (petroleum) fuel rounded to the nearest 0.01 miles/million BTU. FEaltis the fuel economy [miles/gallon for liquid fuels or miles/100 standard cubic feet for gaseous fuels] while operated on the alternative fuel as determined in §600.113–08(a) and (b); FEpetis the fuel economy [miles/gallon] while operated on petroleum fuel (gasoline or diesel) as determined in §600.113(a) and (b); NHValtis the net (lower) heating value [BTU/lb] of the alternative fuel; NHVpetis the net (lower) heating value [BTU/lb] of the petroleum fuel; Daltis the density [lb/gallon for liquid fuels or lb/100 standard cubic feet for gaseous fuels] of the alternative fuel; Dpetis the density [lb/gallon] of the petroleum fuel. (i) The equation must hold true for both the FTP city and HFET highway fuel economy values for each test of each test vehicle. (ii)(A) The net heating value for alcohol fuels shall be determined per ASTM D 240–92 “Standard Test Method for Heat of Combustion of Liquid Hydrocarbon Fuels by Bomb Calorimeter.” This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies may be obtained from the American Society for Testing and Materials, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428–2959. Copies may be inspected at U.S. EPA Headquarters Library, EPA West Building, Constitution Avenue and 14th Street, NW., Room 3340, Washington, DC, or at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202–741–6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. (B) The density for alcohol fuels shall be determined per ASTM D 1298–85 (Reapproved 1990) “Standard Practice for Density, Relative Density (Specific Gravity), or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method.” This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies may be obtained from the American Society for Testing and Materials, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428–2959. Copies may be inspected at U.S. EPA Headquarters Library, EPA West Building, Constitution Avenue and 14th Street, NW., Room 3340, Washington, DC, or at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202–741–6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. (iii) The net heating value and density of gasoline are to be determined by the manufacturer in accordance with §600.113(f). (2) [Reserved] (3) Alcohol dual fuel passenger automobiles and natural gas dual fuel passenger automobiles manufactured during model years 1993 through 2004 must meet the minimum driving range requirements established by the Secretary of Transportation (49 CFR part 538) to obtain the CAFE credit determined in paragraphs (c)(2)(v) and (vi) of this section. (h) For each of the model years 1993 through 2004, and for each category of automobile identified in paragraph (a) of this section, the maximum increase in average fuel economy determined in paragraph (c) of this section attributable to alcohol dual fuel automobiles and natural gas dual fuel automobiles shall be 1.2 miles per gallon or as provided for in paragraph (i) of this section. (1) The Administrator shall calculate the increase in average fuel economy to determine if the maximum increase provided in paragraph (h) of this section has been reached. The Administrator shall calculate the average fuel economy for each category of automobiles specified in paragraph (a) of this section by subtracting the average fuel economy values calculated in accordance with this section by assuming all alcohol dual fuel and natural gas dual fuel automobiles are operated exclusively on gasoline (or diesel) fuel from the average fuel economy values determined in paragraphs (b)(2)(vi), (b)(2)(vii), and (c) of this section. The difference is limited to the maximum increase specified in paragraph (h) of this section. (2) [Reserved] (i) In the event that the Secretary of Transportation lowers the corporate average fuel economy standard applicable to passenger automobiles below 27.5 miles per gallon for any model year during 1993 through 2004, the maximum increase of 1.2 mpg per year specified in paragraph (h) of this section shall be reduced by the amount the standard was lowered, but not reduced below 0.7 mpg per year. [71 FR 77955, Dec. 27, 2006] § 600.510-86 Calculation of average fuel economy.(a) Average fuel economy will be calculated to the nearest 0.1 mpg for the classes of automobiles identified herein, and the results of such calculations will be reported to the Secretary of Transportation for use in determining compliance with the applicable fuel economy standards. (1) An average fuel economy calculation will be made for the category of passenger automobiles that is domestically manufactured as defined in §600.511(d)(1). (2) An average fuel economy calculation will be made for the category of passenger automobiles that is not domestically manufactured as defined in §600.511(d)(2). (3) An average fuel economy calculation will be made for the category of light trucks which is defined in §600.511(e)(1) and has two-wheel drive. (4) An average fuel economy calculation will be made for the category of light trucks which is defined in §600.511(e)(1) and has four-wheel drive. (5) An average fuel economy calculation will be made for the category of light trucks which is defined in §600.511(e)(2) and has two-wheel drive. (6) An average fuel economy calculation will be made for the category of light trucks which is defined in §600.511(e)(2) and has four-wheel drive. (b) For the purpose of calculating average fuel economy under paragraph (c), of this section: (1) All fuel economy data submitted in accordance with §600.006(e) or §600.512(c) shall be used. (2) The combined city/highway fuel economy will be calculated for each model type in accordance with §600.207 of this section except that: (i) Separate fuel economy values will be calculated for model types and base levels associated with car lines that are: (A) Domestically produced, and (B) Nondomestically produced and imported; (ii) Total model year production data, as required by this subpart, will be used instead of sales projections; (iii) The fuel economy value of diesel-powered model types will be multiplied by the factor 1.0 to correct gallons of diesel fuel to equivalent gallons of gasoline; (iv) The fuel economy value will be rounded to the nearest 0.1 mpg; (v) At the manufacturer's option, those vehicle configurations that are selfcompensating to altitude changes may be separated by sales into high-altitude sales categories and low-altitude sales categories. These separate sales categories may then be treated (only for the purpose of this section) as separate configurations in accordance with the procedure of paragraph §600.207(a)(4)(ii), and (3) The fuel economy value for each vehicle configuration is the combined fuel economy calculated according to §600.206 except that: (i) Separate fuel economy values will be calculated for vehicle configurations associated with car lines that are: (A) Domestically produced, and (B) Nondomestically produced and imported: (ii) Total model year production data, as required by this subpart will be used instead of sales projections; and (iii) The fuel economy value of diesel-powered model types will be multiplied by the factor 1.0 to convert gallons of diesel fuel to equivalent gallons of gasoline. (c) Except as permitted in paragraph (d) of this section, the average fuel economy will be calculated individually for each category identified in §600.510(a) as follows: (1) Divide the total production volume of that category of automobiles by (2) A sum of terms, each of which corresponds to a model type within that category of automobiles and is a fraction determined by dividing (i) The number of automobiles of that model type produced by the manufacturer in the model year by (ii) The fuel economy calculated for that model type in accordance with paragraph (b)(2) of this section. (d) The Administrator may approve alternative calculation methods if they are part of an approved credit plan under the provisions of section 503(b) of U.S.C. 2003(b). (e) For passenger categories identified in paragraphs (a) (1) and (2) of this section, the average fuel economy calculated in accordance with paragraph (c) of this section shall be adjusted using the following equation: AFEadj= AFE[((0.55×a×c) + (0.45×c) + (0.5556×a) + 0.4487)/((0.55×a) + 0.45)] + IW Where: AFEadj=Adjusted average combined fuel economy, rounded to the nearest 0.1 mpg. AFE=Average combined fuel economy as calculated in paragraph (c) of this section, rounded to the nearest 0.0001 mpg. a=Sales-weighted average (rounded to the nearest 0.0001 mpg) of all model type highway fuel economy values (rounded to the nearest 0.1 mpg) divided by the sales-weighted average (rounded to the nearest 0.0001 mpg) of all model type city fuel economy values (rounded to the nearest 0.1 mpg). The quotient shall be rounded to 4 decimal places. These average fuel economies shall be determined using the methodology of paragraph (c) of this section. c=0.0022 for the 1986 model year. c=A constant value, fixed by model year. For 1987, the Administrator will specify the c value after the necessary laboratory humidity and test fuel data become available. For 1988 and later model years, the Administrator will specify the c value after the necessary laboratory humidity and test fuel data become available. IW=(9.2917×10−3× SF3IWC× FE3IWC) − (3.5123×10−3× SF4ETW× FE4IWC) Note: Any calculated value of IW less than zero shall be set equal to zero. SF3IWC=The 3000 lb. inertia weight class sales divided by total sales. The quotient shall be rounded to 4 decimal places. SF4ETW=The 4000 lb. equivalent test weight category sales divided by total sales. The quotient shall be rounded to 4 decimal places. FE4IWC=The sales-weighted average combined fuel economy of all 3000 lb. inertia weight class base leves in the compliance category. Round the result to the nearest 0.0001 mpg. FE4IWC=The sales-weighted average combined fuel economy of all 4000 lb. inertia weight class base levels in the compliance category. Round the result to the nearest 0.0001 mpg. (f) The Administration shall calculate and apply additional average fuel ecomony adjustments if, after notice and opportunity for comment, the Administrator determines that, as a result of test procedure changes not previously considered, such correction is necessary to yield fuel economy test results that are comparable to those obtained under the 1975 test procedures. In making such determinations, the Administrator must find that: (1) A directional change in measured fuel economy of an average vehicle can be predicted from a revision to the test procedures; (2) The magnitude of the change in measured fuel economy for any vehicle or fleet of vehicles caused by a revision to the test procedures is quantifiable from theoretical calculations or best available test data; (3) The impact of a change on average fuel economy is not due to eliminating the ability of manufacturers to take advantage of flexibilities within the existing test procedures to gain measured improvements in fuel economy which are not the result of actual improvements in the fuel economy of production vehicles. (4) The impact of a change on average fuel economy is not solely due to a greater ability of manufacturers to reflect in average fuel economy those design changes expected to have comparable effect on in-use fuel economy. (5) The test procedure change is required by EPA or is a change initiated by EPA in its laboratory and is not a change implemented solely by a manufacturer in its own laboratory. [49 FR 13854, Apr. 6, 1984, as amended at 50 FR 27186, July 1, 1985; 51 FR 37851, Oct. 24, 1986] § 600.510-93 Calculation of average fuel economy.(a) Average fuel economy will be calculated to the nearest 0.1 mpg for the classes of automobiles identified in this section, and the results of such calculations will be reported to the Secretary of Transportation for use in determining compliance with the applicable fuel economy standards. (1) An average fuel economy calculation will be made for the category of passenger automobiles that is domestically manufactured as defined in §600.511(d)(1). (2) An average fuel economy calculation will be made for the category of passenger automobiles that is not domestically manufactured as defined in §600.511(d)(2). (3) An average fuel economy calculation will be made for the category of light trucks that is domestically manufactured as defined in §600.511(e)(1). (4) An average fuel economy calculation will be made for the category of light trucks that is not domestically manufactured as defined in §600.511(e)(2). (b) For the purpose of calculating average fuel economy under paragraph (c), of this section: (1) All fuel economy data submitted in accordance with §600.006(e) or §600.502(c) shall be used. (2) The combined city/highway fuel economy will be calculated for each model type in accordance with §600.207 of this section except that: (i) Separate fuel economy values will be calculated for model types and base levels associated with car lines that are: (A) Domestically produced; and (B) Nondomestically produced and imported; (ii) Total model year production data, as required by this subpart, will be used instead of sales projections; (iii) The fuel economy value of diesel-powered model types will be multiplied by the factor 1.0 to correct gallons of diesel fuel to equivalent gallons of gasoline; (iv) The fuel economy value will be rounded to the nearest 0.1 mpg; and (v) At the manufacturer's option, those vehicle configurations that are selfcompensating to altitude changes may be separated by sales into high-altitude sales categories and low-altitude sales categories. These separate sales categories may then be treated (only for the purpose of this section) as separate configurations in accordance with the procedure of paragraph §600.207(a)(4)(ii). (3) The fuel economy value for each vehicle configuration is the combined fuel economy calculated according to §600.206 except that: (i) Separate fuel economy values will be calculated for vehicle configurations associated with car lines that are: (A) Domestically produced; and (B) Nondomestically produced and imported; (ii) Total model year production data, as required by this subpart will be used instead of sales projections; and (iii) The fuel economy value of diesel-powered model types will be multiplied by the factor 1.0 to convert gallons of diesel fuel to equivalent gallons of gasoline. (c) Except as permitted in paragraph (d) of this section, the average fuel economy will be calculated individually for each category identified in paragraph (a) of this section as follows: (1) Divide the total production volume of that category of automobiles; by (2) A sum of terms, each of which corresponds to a model type within that category of automobiles and is a fraction determined by dividing: (i) The number of automobiles of that model type produced by the manufacturer in the model year; by (ii) For gasoline-fueled and diesel-fueled model types, the fuel economy calculated for that model type in accordance with paragraph (b)(2) of this section; or (iii) For alcohol-fueled model types, the fuel economy value calculated for that model type in accordance with (b)(2) of this section divided by 0.15 and rounded to the nearest 0.1 mpg; or (iv) For natural gas-fueled model types, the fuel economy value calculated for that model type in accordance with (b)(2) of this section divided by 0.15 and rounded to the nearest 0.1 mpg; or (v) For alcohol dual fuel model types, for model years 1993 through 2004, the harmonic average of the following two terms; the result rounded to the nearest 0.1 mpg: (A) The combined model type fuel economy value for operation on gasoline or diesel fuel as determined in §600.207(b)(5)(i); and (B) The combined model type fuel economy value for operation on alcohol fuel as determined in §600.207(b)(5)(ii) divided by 0.15 provided the requirements of §600.510 (g) are met; or (vi) For natural gas dual fuel model types, for model years 1993 through 2004, the harmonic average of the following two terms; the result rounded to the nearest 0.1 mpg: (A) The combined model type fuel economy value for operation on gasoline or diesel as determined in §600.207(b)(5)(i); and (B) The combined model type fuel economy value for operation on natural gas as determined in §600.207(b)(5)(ii) divided by 0.15 provided the requirements of paragraph (g) of this section are met. (d) The Administrator may approve alternative calculation methods if they are part of an approved credit plan under the provisions of 15 U.S.C. 2003. (e) For passenger categories identified in paragraphs (a) (1) and (2) of this section, the average fuel economy calculated in accordance with paragraph (c) of this section shall be adjusted using the following equation: AFEadj= AFE[((0.55×a×c) + (0.45×c) + (0.5556×a) + 0.4487) / ((0.55×a) + 0.45)] + IW Where: AFEadj= Adjusted average combined fuel economy, rounded to the nearest 0.1 mpg. AFE = Average combined fuel economy as calculated in paragraph (c) of this section, rounded to the nearest 0.0001 mpg. a = Sales-weight average (rounded to the nearest 0.0001 mpg) of all model type highway fuel economy values (rounded to the nearest 0.1 mpg) divided by the sales-weighted average (rounded to the nearest 0.0001 mpg) of all model type city fuel economy values (rounded to the nearest 0.1 mpg). The quotient shall be rounded to 4 decimal places. These average fuel economies shall be determined using the methodology of paragraph (c) of this section. c = 0.0022 for the 1986 model year. c = A constant value, fixed by model year. For 1987, the Administrator will specify the c value after the necessary laboratory humidity and test fuel data become available. For 1988 and later model years, the Administrator will specify the c value after the necessary laboratory humidity and test fuel data become available. IW=(9.2917×10−3× SF3IWC× FE3IWC) − (3.5123×10−3× SF4ETW× FE4IWC) Note: Any calculated value of IW less than zero shall be set equal to zero. SF3IWC= The 3000 lb. inertia weight class sales divided by total sales. The quotient shall be rounded to 4 decimal places. SF4ETW= The 4000 lb. equivalent test weight category sales divided by total sales. The quotient shall be rounded to 4 decimal places. FE4IWC= The sales-weighted average combined fuel economy of all 3000 lb. inertia weight class base levels in the compliance category. Round the result to the nearest 0.0001 mpg. FE4IWC= The sales-weighted average combined fuel economy of all 4000 lb. inertia weight class base levels in the compliance category. Round the result to the nearest 0.0001 mpg. (f) The Administrator shall calculate and apply additional average fuel economy adjustments if, after notice and opportunity for comment, the Administrator determines that, as a result of test procedure changes not previously considered, such correction is necessary to yield fuel economy test results that are comparable to those obtained under the 1975 test procedures. In making such determinations, the Administrator must find that: (1) A directional change in measured fuel economy of an average vehicle can be predicted from a revision to the test procedures; (2) The magnitude of the change in measured fuel economy for any vehicle or fleet of vehicles caused by a revision to the test procedures is quantifiable from theoretical calculations or best available test data; (3) The impact of a change on average fuel economy is not due to eliminating the ability of manufacturers to take advantage of flexibility within the existing test procedures to gain measured improvements in fuel economy which are not the result of actual improvements in the fuel economy of production vehicles; (4) The impact of a change on average fuel economy is not solely due to a greater ability of manufacturers to reflect in average fuel economy those design changes expected to have comparable effects on in-use fuel economy; (5) The test procedure change is required by EPA or is a change initiated by EPA in its laboratory and is not a change implemented solely by a manufacturer in its own laboratory. (g)(1) Alcohol dual fuel automobiles and natural gas dual fuel automobiles must provide equal or greater energy efficiency while operating on alcohol or natural gas as while operating on gasoline or diesel fuel to obtain the CAFE credit determined in paragraphs (c)(2)(v) and (vi) of this section. The following equation must hold true: Ealt/Epet> or = 1 Where: Ealt= [FEalt/(NHValt×Dalt)]×106 = energy efficiency while operating on alternative fuel rounded to the nearest 0.01 miles/million BTU. Epet= [FEpet/(NHVpet×Dpet)]×106 = energy efficiency while operating on gasoline or diesel (petroleum) fuel rounded to the nearest 0.01 miles/million BTU. FEaltis the fuel economy [miles/gallon for liquid fuels or miles/100 standard cubic feet for gaseous fuels] while operated on the alternative fuel as determined in §600.113; FEpetis the fuel economy [miles/gallon] while operated on petroleum fuel (gasoline or diesel) as determined in §600.113; NHValtis the net (lower) heating value [BTU/lb] of the alternative fuel; NHVpetis the net (lower) heating value [BTU/lb] of the petroleum fuel; Daltis the density [lb/gallon for liquid fuels or lb/100 standard cubic feet for gaseous fuels] of the alternative fuel; Dpetis the density [lb/gallon] of the petroleum fuel. (i) The equation must hold true for both the city and highway fuel economy values for each test of each test vehicle. (ii)(A) The net heating value for alcohol fuels shall be determined per ASTM D 240 (Incorporated by reference as specified in §600.011–93). (B) The density for alcohol fuels shall be determined per ASTM D 1298 (Incorporated by reference as specified in §600.011–93). (iii) The net heating value and density of gasoline are to be determined by the manufacturer in accordance with §600.113(c). (2) For model years 1993 through 1995, alcohol dual fuel automobiles designed to operate on mixtures of alcohol and gasoline must, in addition to paragraph (g)(1) of this section, to obtain the CAFE credit determined in paragraphs (c)(2)(v) and (vi) of this section, provide equal or superior energy efficiency while operating on a mixture of 50% alcohol, 50% gasoline by volume, as while operating on gasoline fuel. The following equation must hold true: E5./Eg>or=1 Where: E5.=[FE5./(NHV5.×D5.)]×106 =energy efficiency while operating on 50% alcohol, 50% gasoline rounded to the nearest 0.01 miles/million BTU. Eg=[FEg/(NHVg×Dg)]×106 =energy efficiency while operating on gasoline fuel rounded to the nearest 0.01 miles/million BTU. FE5. is the fuel economy [miles/gallon] while operated on 50% alcohol, 50% gasoline as determined in §600.113; FEgis the fuel economy [miles/gallon] while operated on gasoline as determined in §600.113; NHV5. is the net (lower) heating value [BTU/lb] of the 50/50 blend; NHVgis the net (lower) heating value [BTU/lb] of gasoline; D5. is the density [lb/gallon] of the 50/50 blend; Dgis the density [lb/gallon] of the gasoline. (i) To demonstrate that the equation holds true for each engine family, the manufacturer will: (A) Test one test vehicle in each engine family on both the city and highway cycles; or (B) In lieu of testing, provide a written statement attesting that equal or superior energy efficiency is attained while using a 50% alcohol, 50% gasoline mixture compared to using 100% gasoline. (ii)(A) The net heating value for the 50% alcohol, 50% gasoline mixture shall be determined by ASTM D 240 (Incorporated by reference as specified in §600.011–93). (B) The density for the 50% alcohol, 50% gasoline mixture shall be determined per ASTM D 1298 (Incorporated by reference as specified in §600.011–93). (iii) The net heating value and density of gasoline are to be determined by the manufacturer in accordance with §600.113(c). (3) Alcohol dual fuel passenger automobiles and natural gas dual fuel passenger automobiles manufactured during model years 1993 through 2004 must meet the minimum driving range requirements established by the Secretary of Transportation (49 CFR part 538) to obtain the CAFE credit determined in paragraphs (c)(2)(v) and (vi) of this section. (h) For each of the model years 1993 through 2004, and for each category of automobile identified in paragraph (a) of this section, the maximum increase in average fuel economy determined in paragraph (c) of this section attributable to alcohol dual fuel automobiles and natural gas dual fuel automobiles shall be 1.2 miles per gallon or as provided for in paragraph (i) of this section. (1) The Administrator shall calculate the increase in average fuel economy to determine if the maximum increase provided in paragraph (h) of this section has been reached. The Administrator shall calculate the average fuel economy for each category of automobiles specified in paragraph (a) of this section by subtracting the average fuel economy values calculated in accordance with this section by assuming all alcohol dual fuel and natural gas dual fuel automobiles are operated exclusively on gasoline (or diesel) fuel from the average fuel economy values determined in paragraphs (b)(2)(vi), (b)(2)(vii), and (c) of this section. The difference is limited to the maximum increase specified in paragraph (h) of this section. (2) [Reserved] (i) In the event that the Secretary of Transportation lowers the corporate average fuel economy standard applicable to passenger automobiles below 27.5 miles per gallon for any model year during 1993 through 2004, the maximum increase of 1.2 mpg per year specified in paragraph (h) of this section shall be reduced by the amount the standard was lowered, but not reduced below 0.7 mpg per year. [59 FR 39659, Aug. 3, 1994] § 600.511-80 Determination of domestic production.(a) An automobile shall be considered domestically produced in any model year if it is included within a domestically produced car line (car line includes station wagons for purposes of this paragraph), unless the assembly of such automobile is completed in Canada or Mexico and such automobile is not imported into the United States prior to the expiration of 30 days following the end of the model year. For purposes of this paragraph a car line will be considered domestically produced if the following ratio is less than 0.25: (1) The sum of the declared value, as defined in §600.502, of all of the imported components installed or included on automobiles produced within such a car line within a given model year plus the cost of transportation and insuring such components to the United States port of entry, the Mexican port of entry (when paragraph (b)(3) of this section applies), or the Canadian port of entry but exclusive of any customs duty, divided by (2) The cost of production, as defined in §600.502, of automobiles within such car line. (b) For the purposes of calculations under this subpart with respect to automobiles manufactured during any model year, (1) An average exchange rate for the country of origin of each imported component shall be used that is calculated by taking the mean of the exchange rates in effect at the end of each quarter set by the Federal Reserve Bank of New York for twelve calendar quarters prior to and including the calendar quarter ending one year prior to the date that the manufacturer submits the calculation of the preliminary average for such model year. Such rate, once calculated, shall be in effect for the duration of the model year. Upon petition of a manufacturer, the Administrator may permit the use of a different exchange rate where appropriate and necessary. (2) For automobiles for which paragraph (b)(3) of this section does not apply pursuant to the schedule in paragraph (b)(4), components shall be considered imported unless they are either: (i) Wholly the growth, product, or manufacture of the United States and/or Canada, or (ii) Substantially transformed in the United States or Canada into a new and different article of commerce. (3) For automobiles for which this paragraph applies pursuant to the schedule in paragraph (b)(4) of this section, components shall be considered imported unless they are either: (i) Wholly the growth, product, or manufacture of the United States and/or Canada and/or Mexico, or (ii) Substantially transformed in the United States and/or Canada and/or Mexico into a new and different article of commerce. (4) Paragraphs (b)(4) (i) through (v) of this section set forth the schedule according to which paragraph (b)(3) of this section applies for all automobiles manufactured by a manufacturer and sold in the United States, wherever assembled. (i) With respect to a manufacturer that initiated the assembly of automobiles in Mexico before model year 1992, the manufacturer may elect, at any time between January 1, 1997, and January 1, 2004, to have paragraph (b)(3) of this section apply to all automobiles it manufactures, beginning with the model year commencing after the date of such election. (ii) With respect to a manufacturer initiating the assembly of automobiles in Mexico after model year 1991, paragraph (b)(3) of this section shall apply to all automobiles it manufactures, beginning with the model year commencing after January 1, 1994, or the model year commencing after the date that the manufacturer initiates the assembly of automobiles in Mexico, whichever is later. (iii) With respect to a manufacturer not described by paragraph (b)(4) (i) or (ii) of this section assembling automobiles in the United States or Canada but not in Mexico, the manufacturer may elect, at any time between January 1, 1997, and January 1, 2004, to have paragraph (b)(3) of this section apply to all automobiles it manufactures, beginning with the model year commencing after the date of such election, except that if such manufacturer initiates the assembly of automobiles in Mexico before making such election, this paragraph shall not apply, and the manufacturer shall be subject to paragraph (b)(4)(ii) of this section. (iv) With respect to a manufacturer not assembling automobiles in the United States, Canada, or Mexico, paragraph (b)(3) of this section shall apply to all automobiles it manufactures, beginning with the model year commencing after January 1, 1994. (v) With respect to a manufacturer authorized to make an election under paragraph (b)(4) (i) or (iii) of this section which has not made that election within the specified period, paragraph (b)(3) of this section shall apply to all automobiles it manufactures, beginning with the model year commencing after January 1, 2004. (5) All elections under paragraph (b)(4) of this section shall be made in accordance with the procedures established by the Secretary of Transportation pursuant to 15 U.S.C. 2003(b)(2)(G)(iii). (c) If it is determined by the Administrator at some date later than the date of entry that the declared value of such imported components did not represent fair market value at the date of entry, through U.S. Bureau of Customs appraisals, the Administrator may review the determination made pursuant to paragraph (a) of this section as to whether the pertinent car lines which utilize such components were correctly included within the manufaturer's domestically-produced or foreign-produced fleets. If such a determination was in error due to misrepresentation of the valuation of imported components at the date of entry, the Administrator may recalculate the manufacturer's average for the affected model year, according to §600.510, to reflect the correct valuation of such imported components in each affected car line. (d) In calculating average fuel economy under §600.510(c), the Administrator will separate the total number of passenger automobiles produced by a manufacturer into the following two categories: (1) Passenger automobiles which are domestically produced by the manufacturer, (2) Passenger automobiles which are not domestically produced and which are imported by the manufacturer. (e) In calculating average fuel economy under §600.510(c), the Administrator will separate the total number of light trucks produced by a manufacturer into the following two categories: (1) Light trucks which are domestically produced by the manufacturer. (2) Light trucks which are not domestically produced and which are imported by the manufacturer. [42 FR 45662, Sept. 12, 1977, as amended at 43 FR 39376, Sept. 5, 1978; 59 FR 679, Jan. 6, 1994; 59 FR 33914, July 1, 1994] § 600.512-01 Model year report.(a) For each model year, the manufacturer shall submit to the Administrator a report, known as the model year report, containing all information necessary for the calculation of the manufacturer's average fuel economy. The results of the manufacturer calculations and summary information of model type fuel economy values which are contained in the average calculation shall be submitted to the Secretary of the Department of Transportation, National Highway and Traffic Safety Administration. (b)(1) The model year report shall be in writing, signed by the authorized representative of the manufacturer and shall be submitted no later than 90 days after the end of the model year. (2) The Administrator may waive the requirement that the model year report be submitted no later than 90 days after the end of the model year. Based upon a request by the manufacturer, if the Administrator determines that 90 days is insufficient time for the manufacturer to provide all additional data required as determined in §600.507, the Administrator shall establish a date by which the model year report must be submitted. (3) Separate reports shall be submitted for passenger automobiles and light trucks (as identified in §600.510). (c) The model year report must include the following information: (1) All fuel economy data used in the labeling calculations and subsequently required by the Administrator in accordance with §600.507; (2) All fuel economy data for certification vehicles and for vehicles tested for running changes approved under 40 CFR 86.1842–01; (3) Any additional fuel economy data submitted by the manufacturer under §600.509; (4) A fuel economy value for each model type of the manufacturer's product line calculated according to §600.510(b)(2); (5) The manufacturer's average fuel economy value calculated according to §600.510(c); (6) A listing of both domestically and nondomestically produced car lines as determined in §600.511 and the cost information upon which the determination was made; and (7) The authenticity and accuracy of production data must be attested to by the corporation, and shall bear the signature of an officer (a corporate executive of at least the rank of vice-president) designated by the corporation. Such attestation shall constitute a representation by the manufacturer that the manufacturer has established reasonable, prudent procedures to ascertain and provide production data that are accurate and authentic in all material respects and that these procedures have been followed by employees of the manufacturer involved in the reporting process. The signature of the designated officer shall constitute a representation by the required attestation. [64 FR 23976, May 4, 1999] § 600.512-08 Model year report.(a) For each model year, the manufacturer shall submit to the Administrator a report, known as the model year report, containing all information necessary for the calculation of the manufacturer's average fuel economy. The results of the manufacturer calculations and summary information of model type fuel economy values which are contained in the average calculation shall be submitted to the Secretary of the Department of Transportation, National Highway and Traffic Safety Administration. (b)(1) The model year report shall be in writing, signed by the authorized representative of the manufacturer and shall be submitted no later than 90 days after the end of the model year. (2) The Administrator may waive the requirement that the model year report be submitted no later than 90 days after the end of the model year. Based upon a request by the manufacturer, if the Administrator determines that 90 days is insufficient time for the manufacturer to provide all additional data required as determined in §600.507, the Administrator shall establish a date by which the model year report must be submitted. (3) Separate reports shall be submitted for passenger automobiles and light trucks (as identified in §600.510). (c) The model year report must include the following information: (1) All fuel economy data used in the FTP/HFET-based model type calculations under §600.208–08, and subsequently required by the Administrator in accordance with §600.507; (2) All fuel economy data for certification vehicles and for vehicles tested for running changes approved under §86.1842–01 of this chapter; (3) Any additional fuel economy data submitted by the manufacturer under §600.509; (4) A fuel economy value for each model type of the manufacturer's product line calculated according to §600.510(b)(2); (5) The manufacturer's average fuel economy value calculated according to §600.510(c); (6) A listing of both domestically and nondomestically produced car lines as determined in §600.511 and the cost information upon which the determination was made; and (7) The authenticity and accuracy of production data must be attested to by the corporation, and shall bear the signature of an officer (a corporate executive of at least the rank of vice-president) designated by the corporation. Such attestation shall constitute a representation by the manufacturer that the manufacturer has established reasonable, prudent procedures to ascertain and provide production data that are accurate and authentic in all material respects and that these procedures have been followed by employees of the manufacturer involved in the reporting process. The signature of the designated officer shall constitute a representation by the required attestation. [71 FR 77957, Dec. 27, 2006] § 600.512-86 Model year report.(a) For each model year, the manufacturer shall submit to the Administrator a report, known as the model year report, containing all information necessary for the calculation of the manufacturer's average fuel economy. (b)(1) The model year report shall be in writing, signed by the authorized representative of the manufacturer and shall be submitted no later than 60 days after the report required in §86.082–37 for the final production quarter. (2) The Administrator may waive the requirement that the model year report be submitted within 60 days after the final quarterly production report. Based upon a request by the manufacturer, if the Administrator determines that 60 days is insufficient time for the manufacturer to provide all additional data required as determined in §600.507, the Administrator shall establish a date by which the model year report must be submitted. (3) Separate reports shall be submitted for passenger automobiles and light trucks (as identified in §600.510). (c) The model year report must include the following information: (1) All fuel economy data used in the labeling calculations and subsequently required by the Administrator in accordance with §600.507. (2) All fuel economy data for certification vehicles and for vehicles tested for running changes approved under §§86.079–32, 86.079–33, and 86.082–34. (3) Any additional fuel economy data submitted by the manufacturer under §600.509. (4) A fuel economy value for each model type of the manufacturer's product line calculated according to §600.510(b)(2). (5) The manufacturer's average fuel economy value calculated according to §600.510(c). (6) A listing of both domestically and nondomestically produced car lines as determined in §600.511 and the cost information upon which the determination was made. (7) The authenticity and accuracy of production data must be attested to by the corporation, and shall bear the signature of an officer (a corporate executive of at least the rank of vice-president) designated by the corporation. Such attestation shall constitute a representation by the manufacturer that the manufacturer has established reasonable, prudent procedures to ascertain and provide production data that are accurate and authentic in all material respects and that these procedures have been followed by employees of the manufacturer involved in the reporting process. The signature of the designated officer shall constitute a representation by the required attestation. [49 FR 13855, Apr. 6, 1984] § 600.513-08 Gas Guzzler Tax.(a) This section applies only to passenger automobiles sold after December 27, 1991, regardless of the model year of those vehicles. For alcohol dual fuel and natural gas dual fuel automobiles, the fuel economy while such automobiles are operated on gasoline will be used for Gas Guzzler Tax assessments. (1) The provisions of this section do not apply to passenger automobiles exempted for Gas Guzzler Tax assessments by applicable federal law and regulations. However, the manufacturer of an exempted passenger automobile may, in its discretion, label such vehicles in accordance with the provisions of this section. (2) For 1991 and later model year passenger automobiles, the combined FTP/HFET-based model type fuel economy value determined in §600.208–08 used for Gas Guzzler Tax assessments shall be calculated in accordance with the following equation, rounded to the nearest 0.1 mpg: FEadj= FE[((0.55 × ag× c) + (0.45 × c) + (0.5556 × ag) + 0.4487) / ((0.55 × ag) + 0.45)] + IWg Where: FEadj= Fuel economy value to be used for determination of gas guzzler tax assessment rounded to the nearest 0.1 mpg. FE = Combined model type fuel economy calculated in accordance with §600.208–08, rounded to the nearest 0.0001 mpg. ag= Model type highway fuel economy, calculated in accordance with §600.208–08, rounded to the nearest 0.0001 mpg divided by the model type city fuel economy calculated in accordance with §600.208–08, rounded to the nearest 0.0001 mpg. The quotient shall be rounded to 4 decimal places. c = gas guzzler adjustment factor = 1.300 × 10−3 for the 1986 and later model years. IWg= (9.2917 × 10−3× SF3IWCGFE3IWCG) − (3.5123 × 10−3× SF4ETWG× FE4IWCG). Note: Any calculated value of IW less than zero shall be set equal to zero. SF3IWCG= The 3000 lb. inertia weight class sales in the model type divided by the total model type sales; the quotient shall be rounded to 4 decimal places. SF4ETWG= The 4000 lb. equivalent test weight sales in the model type divided by the total model type sales, the quotient shall be rounded to 4 decimal places. FE3IWCG= The 3000 lb. inertial weight class base level combined fuel economy used to calculate the model type fuel economy rounded to the nearest 0.0001 mpg. FE4IWCG= The 4000 lb. inertial weight class base level combined fuel economy used to calculate the model type fuel economy rounded to the nearest 0.001 mpg. (b)(1) For passenger automobiles sold after December 31, 1990, with a combined FTP/HFET-based model type fuel economy value of less than 22.5 mpg (as determined in §600.208–08), calculated in accordance with paragraph (a)(2) of this section and rounded to the nearest 0.1 mpg, each vehicle fuel economy label shall include a Gas Guzzler Tax statement pursuant to 49 U.S.C. 32908(b)(1)(E). The tax amount stated shall be as specified in paragraph (b)(2) of this section. (2) For passenger automobiles with a combined general label model type fuel economy value of: (i) At least 22.5 mpg, no Gas Guzzler Tax statement is required. (ii) At least 21.5 mpg, but less than 22.5 mpg, the Gas Guzzler Tax statement shall show a tax of $1,000. (iii) At least 20.5 mpg, but less than 21.5 mpg, the Gas Guzzler Tax statement shall show a tax of $1,300. (iv) At least 19.5 mpg, but less than 20.5 mpg, the Gas Guzzler Tax statement shall show a tax of $1,700. (v) At least 18.5 mpg; but less than 19.5 mpg, the Gas Guzzler Tax statement shall show a tax of $2,100. (vi) At least 17.5 mpg, but less than 18.5 mpg, the Gas Guzzler Tax statement shall show a tax of $2,600. (vii) At least 16.5 mpg, but less than 17.5 mpg, the Gas Guzzler Tax statement shall show a tax of $3,000. (viii) At least 15.5 mpg, but less than 16.5 mpg, the Gas Guzzler Tax statement shall show a tax of $3,700. (ix) At least 14.5 mpg, but less than 15.5 mpg, the Gas Guzzler Tax statement shall show a tax of $4,500. (x) At least 13.5 mpg, but less than 14.5 mpg, the Gas Guzzler Tax statement shall show a tax of $5,400. (xi) At least 12.5 mpg, but less than 13.5 mpg, the Gas Guzzler Tax statement shall show a tax of $6,400. (xii) Less than 12.5 mpg, the Gas Guzzler Tax statement shall show a tax of $7,700. [71 FR 77957, Dec. 27, 2006] § 600.513-81 Gas Guzzler Tax.(a)(1) The provisions of this section do not apply to passenger automobiles exempted from Gas Guzzler Tax assessments by the Energy Tax Act of 1978 and regulations promulgated thereunder by the Internal Revenue Service. However, the manufacturer of an exempted passenger automobile may, in his discretion, label such vehicles in accordance with the provisions of this section. (2) Vehicles produced by a manufacturer that has been granted an alternate tax rate schedule by the Secretary of the Treasury shall be labeled with the applicable tax determined under any such alternate tax schedule. (3) For 1980 and later model year passenger automobiles, the combined general label model type fuel economy value used for Gas Guzzler Tax assessments shall be calculated in accordance with the following equation, rounded to the nearest 0.1 mpg: FEadj= Fe[((0.55×ag×c) + (0.45×c) + (0.5556×ag)+0.4487) / ((0.55×ag)+0.45)] + IWg Where: FEadj=Fuel economy value to be used for determination of gas guzzler tax assessment rounded to the nearest 0.1 mpg. FE=Combined model type fuel economy calculated in accordance with §600.207, rounded to the nearest 0.0001 mpg. ag=Model type highway fuel economy, calculated in accordance with §600.207, rounded to the nearest 0.0001 mpg divided by the model type city fuel economy calculated in accordance with §600.207, rounded to the nearest 0.0001 mpg. The quotient shall be rounded to 4 decimal places. c=2.501×10−2for the 1980 model year c=2.184×10−2for the 1981 model year c=9.260×10−3for the 1982 model year c=1.435×10−2for the 1983 model year c=1.420×10−2for the 1984 model year c=1.490×10−2for the 1985 model year c=1.300×10−3for the 1986 and later model years IWg= (9.2917×10−3× SF3IWCG× FE3IWCG) − (3.5123×10−3× SF4ETWG× FE4IWCG) Note: Any calculated value of IW less than zero shall be set equal to zero. SF3IWCG=The 3000 lb. inertia weight class sales in the model type divided by the total model type sales. The quotient shall be rounded to 4 decimal places. SF4ETWG=The 4000 lb. equivalent test weight sales in the model type divided by the total model type sales, the quotient shall be rounded to 4 decimal places. FE3IWCG=The 3000 lb. inertia weight class base level combined fuel economy used to calculate the model type fuel economy rounded to the nearest 0.0001 mpg. FE4IWCG=The 4000 lb. inertia weight class base level combined fuel economy used to calculate the model type fuel economy rounded to the nearest 0.0001 mpg. (b) This paragraph applies to 1981 model year vehicles. (1) Passenger automobiles with a combined general label model type fuel economy value of less than 17.0 mpg, calculated in accordance with paragraph (a)(3) of this section and rounded to the nearest 0.1 mpg, shall carry a Gas Guzzler Tax statement pursuant to section 403 of the National Energy Conservation Policy Act. (2) For passenger automobiles with a combined general label model type fuel economy value of: (i) At least 17.0 mpg, no Gas Guzzler Tax statement is required. (ii) At least 16.0 mpg, but less than 17.0 mpg, the Gas Guzzler Tax statement shall show a tax of $200. (iii) At least 15.0 mpg, but less than 16.0 mpg, the Gas Guzzler Tax statement shall show a tax of $350. (iv) At least 14.0 mpg, but less than 15.0 mpg, the Gas Guzzler Tax statement shall show a tax of $450. (v) At least 13.0 mpg, but less than 14.0 mpg, the Gas Guzzler Tax statement shall show a tax of $550. (vi) Less than 13.0 mpg, the Gas Guzzler Tax statement shall show a tax of $650. (c) This paragraph applies to 1982 model year vehicles. (1) Passenger automobiles with a combined general label model type fuel economy value of less than 18.5 mpg, calculated in accordance with paragraph (a)(3) of this section and rounded to the nearest 0.1 mpg, shall carry a Gas Guzzler Tax statement pursuant to section 403 of the National Energy Conservation Policy Act. (2) For passenger automobiles with a combined general label model type fuel economy value of: (i) At least 18.5 mpg, no Gas Guzzler Tax statement is required. (ii) At least 17.5 mpg, but less than 18.5 mpg, the Gas Guzzler Tax statement shall show a tax of $200. (iii) At least 16.5 mpg, but less than 17.5 mpg, the Gas Guzzler Tax statement shall show a tax of $350. (iv) At least 15.5 mpg, but less than 16.5 mpg, the Gas Guzzler Tax statement shall show a tax of $450. (v) At least 14.5 mpg, but less than 15.5 mpg, the Gas Guzzler Tax statement shall show a tax of $600. (vi) At least 13.5 mpg, but less than 14.5 mpg, the Gas Guzzler Tax statement shall show a tax of $750. (vii) At least 12.5 mpg, but less than 13.5 mpg, the Gas Guzzler Tax statement shall show a tax of $950. (viii) Less than 12.5 mpg, the Gas Guzzler Tax statement shall show a tax of $1,200. (d) This paragraph applies to 1983 model year vehicles. (1) Passenger automobiles with a combined general label model type fuel economy value of less than 19.0 mpg, calculated in accordance with paragraph (a)(3) of this section and rounded to the nearest 0.1 mpg, shall carry a Gas Guzzler Tax statement pursuant to section 403 of the National Energy Conservation Policy Act. (2) For passenger automobiles with a combined general label model type fuel economy value of: (i) At least 19.0 mpg, no Gas Guzzler Tax statement is required. (ii) At least 18.0 mpg, but less than 19.0 mpg, the Gas Guzzler Tax statement shall show a tax of $350. (iii) At least 17.0 mpg, but less than 18.0 mpg, the Gas Guzzler Tax statement shall show a tax of $500. (iv) At least 16.0 mpg, but less than 17.0 mpg, the Gas Guzzler Tax statement shall show a tax of $650. (v) At least 15.0 mpg, but less than 16.0 mpg, the Gas Guzzler Tax statement shall show a tax of $800. (vi) At least 14.0 mpg, but less than 15.0 mpg, the Gas Guzzler Tax statement shall show a tax of $1,000. (vii) At least 13.0 mpg, but less than 14.0 mpg, the Gas Guzzler Tax statement shall show a tax of $1,250. (viii) Less than 13.0 mpg, the Gas Guzzler Tax statement shall show a tax of $1,550. (e) This paragraph applies to 1984 model year vehicles. (1) Passengers automobiles with a combined general label model type fuel economy value of less than 19.5 mpg, calculated in accordance with paragraph (a)(3) of this section and rounded to the nearest 0.1 mpg, shall carry a Gas Guzzler Tax statement pursuant to section 403 of the National Energy Conservation Policy Act. (2) For passenger automobiles with a combined general label model type fuel economy value of: (i) At least 19.5 mpg, no Gas Guzzler Tax statement is required. (ii) At least 18.5 mpg, but less than 19.5 mpg, the Gas Guzzler Tax statement shall show a tax of $450. (iii) At least 17.5 mpg, but less than 18.5 mpg, the Gas Guzzler Tax statement shall show a tax of $600. (iv) At least 16.5 mpg, but less than 17.5 mpg, the Gas Guzzler Tax statement shall show a tax of $750. (v) At least 15.5 mpg, but less than 16.5 mpg, the Gas Guzzler Tax statement shall show a tax of $950. (vi) At least 14.5 mpg, but less than 15.5 mpg, the Gas Guzzler Tax statement shall show a tax of $1,150. (vii) At least 13.5 mpg, but less than 14.5 mpg, the Gas Guzzler Tax statement shall show a tax of $1,450. (viii) At least 12.5 mpg, but less than 13.5 mpg, the Gas Guzzler Tax statement shall show a tax of $1,750. (ix) Less than 12.5 mpg, the Gas Guzzler Tax statement shall show a tax of $2,150. (f) This paragraph applies to 1985 model year vehicles. (1) Passengers automobiles with a combined general label model type fuel economy value of less than 21.0 mpg, calculated in accordance with paragraph (a)(3) of this section and rounded to the nearest 0.1 mpg, shall carry a Gas Guzzler Tax statement pursuant to section 403 of the National Energy Conservation Policy Act. (2) For passenger automobiles with a combined general label model type fuel economy value of: (i) At least 21.0 mpg, no Gas Guzzler Tax statement is required. (ii) At least 20.0 mpg, but less than 21.0 mpg, the Gas Guzzler Tax statement shall show a tax of $500. (iii) At least 19.0 mpg, but less than 20.0 mpg, the Gas Guzzler Tax statement shall show a tax of $600. (iv) At least 18.0 mpg, but less than 19.0 mpg, the Gas Guzzler Tax statement shall show a tax of $800. (v) At least 17.0 mpg, but less than 18.0 mpg, the Gas Guzzler Tax statement shall show a tax of $1,000. (vi) At least 16.0 mpg, but less than 17.0 mpg, the Gas Guzzler Tax statement shall show a tax of $1,200. (vii) At least 15.0 mpg, but less than 16.0 mpg, the Gas Guzzler Tax statement shall show a tax of $1,500. (viii) At least 14.0 mpg, but less than 15.0 mpg, the Gas Guzzler Tax statement shall show a tax of $1,800. (ix) At least 13.0 mpg, but less than 14.0 mpg, the Gas Guzzler Tax statement shall show a tax of $2,200. (x) Less than 13.0 mpg, the Gas Guzzler Tax statement shall show a tax of $2,650. (g) This paragraph applies to 1986 and later model year vehicles. (1) Passenger automobiles with a combined general label model type fuel economy value of less than 22.5 mpg, calculated in accordance with paragraph (a)(3) of this section and rounded to the nearest 0.1 mpg, shall carry a Gas Guzzler Tax statement pursuant to section 403 of the National Energy Conservation Policy Act. (2) For passenger automobiles with a combined general label model type fuel economy value of: (i) At least 22.5 mpg, no Gas Guzzler Tax statement is required. (ii) At least 21.5 mpg, but less than 22.5 mpg, the Gas Guzzler Tax statement shall show a tax of $500. (iii) At least 20.5 mpg, but less than 21.5 mpg, the Gas Guzzler Tax statement shall show a tax of $650. (iv) At least 19.5 mpg, but less than 20.5 mpg, the Gas Guzzler Tax statement shall show a tax of $850. (v) At least 18.5 mpg, but less than 19.5 mpg, the Gas Guzzler Tax statement shall show a tax of $1,050. (vi) At least 17.5 mpg, but less than 18.5 mpg, the Gas Guzzler Tax statement shall show a tax of $1,300. (vii) At least 16.5 mpg, but less than 17.5 mpg, the Gas Guzzler Tax statement shall show a tax of $1,500. (viii) At least 15.5 mpg, but less than 16.5 mpg, the Gas Guzzler Tax statement shall show a tax of $1,850. (ix) At least 14.5 mpg, but less than 15.5 mpg, the Gas Guzzler Tax statement shall show a tax of $2,250. (x) At least 13.5 mpg, but less than 14.5 mpg, the Gas Guzzler Tax statement shall show a tax of $2,700. (xi) At least 12.5 mpg, but less than 13.5 mpg, the Gas Guzzler Tax statement shall show a tax of $3,200. (xii) Less than 12.5 mpg, the Gas Guzzler Tax statement shall show a tax of $3,850. (Title V of the Motor Vehicle Information and Cost Savings Act, 15 U.S.C. 2001 et. seq., as amended by sec. 403 of the National Energy Conservation Policy Act, Pub. L. 95–619, 92 Stat. 3256) [45 FR 51165, July 31, 1980, as amended at 50 FR 27187, July 1, 1985] § 600.513-91 Gas Guzzler Tax.(a) This section applies only to passenger automobiles sold after December 27, 1991, regardless of the model year of those vehicles. For alcohol dual fuel and natural gas dual fuel automobiles, the fuel economy while such automobiles are operated on gasoline will be used for Gas Guzzler Tax assessments. (1) The provisions of this section do not apply to passenger automobiles exempted for Gas Guzzler Tax assessments by applicable federal law and regulations. However, the manufacturer of an exempted passenger automobile may, in its discretion, label such vehicles in accordance with the provisions of this section. (2) For 1991 and later model year passenger automobiles, the combined general label model type fuel economy value used for Gas Guzzler Tax assessments shall be calculated in accordance with the following equation, rounded to the nearest 0.1 mpg: FEadj= FE[((0.55×ag×c) + (0.45×c) + (0.5556×ag) + 0.4487) / ((0.55×ag) + 0.45)] + IWg Where: FEadj=Fuel economy value to be used for determination of gas guzzler tax assessment rounded to the nearest 0.1 mpg. FE=Combined model type fuel economy calculated in accordance with §600.207, rounded to the nearest 0.0001 mpg. ag=Model type highway fuel economy, calculated in accordance with §600.207, rounded to the nearest 0.0001 mpg divided by the model type city fuel economy calculated in accordance with §600.207, rounded to the nearest 0.0001 mpg. The quotient shall be rounded to 4 decimal places. c=gas guzzler adjustment factor=1.300×10−3for the 1986 and later model years. IWg= (9.2917×10−3× SF3IWCGFE3IWCG) − (3.5123×10−3× SF4ETWG× FE4IWCG) Note: Any calculated value of IW less than zero shall be set equal to zero. SF3IWCG=The 3000 lb. inertia weight class sales in the model type divided by the total model type sales; the quotient shall be rounded to 4 decimal places. SF4ETWG=The 4000 lb. equivalent test weight sales in the model type divided by the total model type sales, the quotient shall be rounded to 4 decimal places. FE3IWCG=The 3000 lb. inertial weight class base level combined fuel economy used to calculate the model type fuel economy rounded to the nearest 0.0001 mpg. FE4IWCG=The 4000 lb. inertial weight class base level combined fuel economy used to calculate the model type fuel economy f/rounded to the nearest 0.001 mpg. (b)(1) For passenger automobiles sold after December 31, 1990, with a combined general label model type fuel economy value of less than 22.5 mpg, calculated in accordance with paragraph (a)(2) of this section and rounded to the nearest 0.1 mpg, each vehicle fuel economy label shall include a Gas Guzzler Tax statement pursuant to section 403 of the National Energy Conservation Policy Act. The tax amount stated shall be as specified in paragraph (b)(2) of this section. (2) For passenger automobiles with a combined general label model type fuel economy value of: (i) At least 22.5 mpg, no Gas Guzzler Tax statement is required. (ii) At least 21.5 mpg, but less than 22.5 mpg, the Gas Guzzler Tax statement shall show a tax of $1,000. (iii) At least 20.5 mpg, but less than 21.5 mpg, the Gas Guzzler Tax statement shall show a tax of $1,300. (iv) At least 19.5 mpg, but less than 20.5 mpg, the Gas Guzzler Tax statement shall show a tax of $1,700. (v) At least 18.5 mpg; but less than 19.5 mpg, the Gas Guzzler Tax statement shall show a tax of $2,100. (vi) At least 17.5 mpg, but less than 18.5 mpg, the Gas Guzzler Tax statement shall show a tax of $2,600. (vii) At least 16.5 mpg, but less than 17.5 mpg, the Gas Guzzler Tax statement shall show a tax of $3,000. (viii) At least 15.5 mpg, but less than 16.5 mpg, the Gas Guzzler Tax statement shall show a tax of $3,700. (ix) At least 14.5 mpg, but less than 15.5 mpg, the Gas Guzzler Tax statement shall show a tax of $4,500. (x) At least 13.5 mpg, but less than 14.5 mpg, the Gas Guzzler Tax statement shall show a tax of $5,400. (xi) At least 12.5 mpg, but less than 13.5 mpg, the Gas Guzzler Tax statement shall show a tax of $6,400. (xii) Less than 12.5 mpg, the Gas Guzzler Tax statement shall show a tax of $7,700. [56 FR 55465, Oct. 28, 1991, as amended at 59 FR 39661, Aug. 3, 1994] Appendix I to Part 600—Highway Fuel Economy Driving Schedule (Applicable to 1978 and Later Model Year Automobiles)[ speed (mph) vs time (sec) ]
[42 FR 45667, Sept. 12, 1977] Appendix II to Part 600—Sample Fuel Economy Calculations(a) This sample fuel economy calculation is applicable to 1978 through 1987 model year automobiles. (1) Assume that a gasoline-fueled vehicle was tested by the Federal Emission Test Procedure and the following results were calculated: HC=.139 grams/mile CO=1.59 grams/mile CO2=317 grams/mile According to the procedure in §600.113–78, the city fuel economy or MPGc, for the vehicle may be calculated by substituting the HC, CO, and CO2grams/mile values into the following equation. MPGc=27.7 (2) Assume that the same vehicle was tested by the Federal Highway Fuel Economy Test Procedure and calculation similar to that shown in paragraph (a) by this appendix resulted in a highway fuel economy or MPGhof 36.9. According to the procedure in §600.113, the combined fuel economy (called MPGc/h) for the vehicle may be calculated by substituting the city and highway fuel economy values into the following equation: (b) This sample fuel economy calculation is applicable to 1988 and later model year automobiles. (1) Assume that a gasoline-fueled vehicle was tested by the Federal Emission Test Procedure and the following results were calculated: HC = .139 grams/mile. CO = 1.59 grams/mile. CO2= 317 grams/mile. (2) Assume that the test fuel used for this test had the following properties: SG = 0.745. CWF = 0.868. NHV = 18,478 Btu/lb. (3) According to the procedure in §600.113–08, the city fuel economy or MPGc, for the vehicle may be calculated by substituting the HC, CO, and CO2gram/mile values and the SG, CWF, and NHV values into the following equation: MPGc= (5174 × 104 × CWF × SG) / [((CWF × HC) + (0.429 × CO + (0.273 × CO2)) ((0.6 × SG × NHV) + 5471)] Example: MPGc= (5174 × 104 × 0.868 × 0.745) / [(0.868 × .139 + 0.429 × 1.59 + 0.273 × 317)(0.6 × 0.745 × 18478 + 5471)] MPGc= 27.9 (4) Assume that the same vehicle was tested by the Federal Highway Fuel Economy Test Procedure and a calculation similar to that shown in (b)(3) of this section resulted in a highway fuel economy of MPGhof 36.9. According to the procedure in §600.210(c), the combined fuel economy (called MPGcomb) for the vehicle may be calculated by substituting the city and highway fuel economy values into the following equation: [51 FR 37852, Oct. 24, 1986, as amended at 71 FR 77958, Dec. 27, 2006] Appendix III to Part 600—Sample Fuel Economy Label CalculationSuppose that a manufacturer called Mizer Motors has a product line composed of eight car lines. Of these eight, four are available with the 3.0 liter, 6 cylinder, sequential multi-point fuel injection, 4-valve per cylinder, and 3-way catalyst engine. These four car lines are: Ajax Boredom III Dodo Castor (Station Wagon) A. A car line is defined in subpart A (with additional guidance provided in EPA Advisory Circular 89) as a group of vehicles within a make or division which has a degree of commonality in construction. Car line does not consider any level of decor or opulence and is not generally distinguished by such characteristics as roofline, number of doors, seats, or windows. Station wagons and light duty trucks are, however, identified separately from the remainder of each car line. In other words, a Castor station wagon would be considered a different car line than the normal Castor car line made up of sedans, coupes, etc. B. The engine considered here is defined as a basic engine in subpart A of this part (with additional guidance provided in EPA Advisory Circular 83A). A basic engine is a unique combination of manufacturer, engine displacement, number of cylinders, fuel system, catalyst usage and other engine and emission control system characteristics specified by the Administrator. A model type is a unique combination of car line, basic engine, and transmission class. Thus Ajax is a car line but Ajax 3.0 liter, 6 cylinder manual four-speed transmission is a model type whereas Ajax 3.0 liter, 6 cylinder automatic three-speed transmission is a different model type. C. The following calculations provide an example of the procedures described in subpart C of this part for the calculation of vehicle configuration and model type fuel economy values. In order to simplify the presentation, only city fuel economy values are included (as determined by either the derived 5-cycle method or vehicle-specific 5-cycle based method). The procedure is identical for highway and combined fuel economy values. Step I. Input data as supplied by the manufacturer or as determined from testing conducted by the Administrator. Manufacturer—Mizer Motors Basic Engine: (3.0 liter, 6 cylinder, sequential multi-point fuel injection, 4-valve per cylinder, 3-way catalyst).
1The vehicle configuration fuel economy values, rounded to the nearest mile per gallon, are the fuel economy values that would be used on specific labels for that vehicle configuration. Step II. Group vehicle fuel economy and sales data according to base level combinations within this basic engine.
Step III. Determine base level fuel economy values. A. For all the base levels except the base level which includes 4,000 pound, manual four-speed transmission data, the base level fuel economy is as noted in Step II since only one vehicle configuration was tested within each of these base levels.
B. Since data from more than one vehicle configuration are included in the 4,000-pound, manual four-speed transmission base level, this fuel economy is harmonically averaged in proportion to the percentage of total sales of all vehicle configurations tested within that base level represented by each vehicle configuration tested within that base level. Base level: M4 transmission, 4000 pounds: Therefore, the 4000 pound, M4 transmission fuel economy is 14.6840 miles per gallon. Note that the car line of the test vehicle using a given engine makes no difference—only the weight and transmission do. Step IV. For each model type offered by the manufacturer with that basic engine, determine the sales fraction represented by each inertia weight/transmission class combination and the corresponding fuel economy.
Step V. Determine fuel economy for each model type (that is, car line/basic engine/transmission class combination). Ajax, 3.0 liter, 6 cylinder, A3 transmission, model type MPG is calculated as follows: Similarly, Ajax and Dodo 3.0 liter, 6 cylinder, M4 model type MPG is calculated as follows: Dodo 3.0 liter, 6 cylinder, A3 model type MPG is calculated as follows: Boredom III 3.0 liter 6 cylinder M4 model type MPG = 14.6840 mpg, which rounds to 15 mi./gal1 1 The model type fuel economy values rounded to the nearest mile per gallon, are the fuel economy values listed in the EPA Fuel Economy Guide and used on the general labels (window stickers) for production vehicles for that model year. Boredom III 3.0 liter, 6 cylinder, A3 model type MPG is calculated as follows: Castor 3.0 liter, 6 cylinder, A3 model type MPG is calculated as follows: Note that even though no Dodo was actually tested, this approach permits its fuel economy figure to be estimated, based on the inertia weight distribution of projected Dodo sales within a specific engine and transmission grouping. [71 FR 77958, Dec. 27, 2006] Appendix IV to Part 600—Sample Fuel Economy Labels for 2008 and Later Model Year VehiclesA. Gasoline (or diesel)-fueled vehicle label  View or download PDFB. Gasoline (or diesel)-fueled vehicle label (with transitional text statement for MY 2008 and 2009 vehicles only)  View or download PDFC. Gasoline-fueled Gas Guzzler vehicle label  View or download PDFD. Dual Fuel Vehicle Label (Ethanol/Gasoline) Option 1—without alternate fuel economy)  View or download PDFOption 2—with alternate fuel economy  View or download PDFE. Natural Gas Vehicle Label  View or download PDFF. Dual Fuel Natural Gas Label Option 1—without alternate fuel economy  View or download PDFOption 2—With alternate fuel economy  View or download PDF[71 FR 77961, Dec. 27, 2006] Appendix V to Part 600—Fuel Economy Label Style Guidelines for 2008 and Later Model Year VehiclesA. Format Guidelines for Gasoline (or Diesel) Vehicles  View or download PDFB. Format Guidelines for Ethanol and Natural Gas Dual Fuel Vehicles. Unless otherwise indicated, the format specifications in Appendix V. A. apply.  View or download PDF View or download PDF View or download PDF View or download PDFC. Format Guidelines showing Gas Guzzler. Unless otherwise indicated, the format specifications in Appendix V. A. apply.  View or download PDF View or download PDFD. Format Guidelines for Natural Vehicles. Unless otherwise indicated, the format specifications in Appendix V. A. apply.  View or download PDF[71 FR 77965, Dec. 27, 2006] Appendixes VI–VII to Part 600 [Reserved]Appendix VIII to Part 600—Fuel Economy Label Formats View or download PDF View or download PDF View or download PDF View or download PDF View or download PDF View or download PDF View or download PDF View or download PDF[59 FR 39661, Aug. 3, 1994] Browse Previous
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