MANUFACTURERS' GUIDANCE INDEX FOR 1979 LETTERS DATE SUBJECT 12-13-79 Streamlining of Certification Procedures for 1980 and 1981 Model Years. MANUFACTURERS' GUIDANCE INDEX FOR 1980 LETTERS DATE SUBJECT 1-16-80 Procedures for Submitting Vehicle Test and Maintenance Data for the 1981 Model Year 5-20-80 Abbreviated Certification Guideline for Alternative Dynamometer Power Absorption Values 6-17-80 Running Change Request Form Guidelines 7-15-80 Abbreviated Certification Guideline for Alternative Dynamometer Power Absorption Values--Revised Version 10-28-80 Deletion of Spark Timing Parameter Adjustment Requirement MANUFACTURERS' GUIDANCE INDEX FOR 1981 LETTERS DATE TO: SUBJECT: 1-23-81 LD Summary/Assessment of 1981 Model Year Abbreviated Certification Review Program (not legible, not scanned - re-typed) 3-24-81 "SF" Multigrade Fuel-Efficient Engine Oils 4-02-81 LD/HD Choke Vacuum Breaks--Parameter Adjustment Regulations 6-04-81 LD Test Fuel Temperature for Precondi- tioning 7-01-81 Relief for Manufacturers--Certification Program Policy Changes 8-10-81 LD Fuel Economy Labeling Policy Change 8-14-81 LD Test Fuel Temperature for Precondi- tioning 8-20-81 HD Heavy-Duty Engine Application Format for 1983 Model Year 10-14-81 Waiving of the PCAFE Deadline for 1982 Model Year 10-16-81 Revised Running Change Request Form 10-26-81 Questions on Revised Certification Procedure 12-04-81 Schedule for Second Edition of 1982 Gas Mileage Guide 12-09-81 Vehicle Change/Addition Implementation Concurrent with Change Submission to Administrator--Confirmatory Test Ten-Day Notification Period 12-17-81 Suspension of Telephone Hotline 12-17-81 HD Test Procedure Change for Heavy-Duty Certification Engines MANUFACTURERS' GUIDANCE INDEX FOR 1982 LETTERS DATE CD # TO: SUBJECT: 1-11-82 All Durability-Data Vehicle Reconfiguration 4-27-82 CD-82-1 All Imp of Numbering System for Correspondence of General Interest 4-27-82 CD-82-2 LD Optional Light-Duty Application Format 1983 and Later MY 5-03-82 CD-82-3 Optional Light-Duty Application Format (Correction) 7-21-82 CD-82-4 Questions & Answers on Optional LD Appl. Format 9-07-82 CD-82-5 All Transmittal of Four Shift Light (SIL) Case Summaries and Announcement of Workshop 9-08-82 CD-82-6 MC 1984 Motorcycles Format 11-18-82 CD-82-7 HDV Revisions to 40 CFR, Part 86, Subpart A 11-18-82 CD-82-8 HDE Revisions to 40 CFR, Part 86, Subpart A 12-18-82 CD-82-9 Never Issued 12-22-82 CD-82-10 LD Shift Indicator Lights 12-27-82 CD-82-11 All Re: "Maximum Available Power" and Speed Variation Tolerances MANUFACTURERS' GUIDANCE INDEX FOR 1983 LETTERS DATE CD # TO: SUBJECT: 1-06-83 CD-83-1 HD 1984 MY Heavy Duty Format 2-18-83 CD-83-2 LD Supplement to the 1984 MY LDV Application Format 3-23-83 CD-83-3 LD 1984 FE Information 3-28-83 CD-83-4 HD 1984 Heavy Duty Engine Certification 4-04-83 CD-83-5 LD Operation at "MAP" 4-25-83 CD-83-6 LD Utilization of Federal Durability-Data Veh to Satisfy CA Testing Requirements 5-12-83 CD-83-7 LD Voluntary Use of Lower Label Values 6-03-83 CD-83-8 LD Timetable for Gas Mileage Guide 6-16-83 CD-83-9 LD General Label & Corporate Average FE Data Processing changes 6-22-83 CD-83-10 LD SIL Usage Factor Determination 7-21-83 CD-83-11 HD Transient Test/Transient Test-Based Standards 8-23-83 CD-83-12 MC Quarterly Production Reports 8-23-83 CD-83-13 LDV Quarterly Production Reports 9-09-83 CD-83-14 MC Application Instructions 1985 and Later MY MC's 9-22-83 CD-83-15 LD Use of Test Data for FE Label Calculations 11-21-83 CD-83-16 HD Application Instructions 1985 MY HDG Veh 12-28-83 CD-83-17 HD Application Instructions 1985 MY HD Eng MANUFACTURERS' GUIDANCE INDEX FOR 1984 LETTERS DATE CD # TO: SUBJECT: 1-17-84 CD-84-1 HDDE Neutral Density Filters 1-10-84 CD-84-2 MC Bore Spacing Interpretation 3-23-84 CD-84-3 LDT Changes to Certification Input Data Forms for 1985MY 4-09-84 CD-84-4 LD Emission-Data Vehicle Reconfiguration 4-19-84 CD-84-5 LD Use of Low Viscosity Engine Oil in Test Vehicle 4-19-84 CD-84-6 LD 1985 MY FE Options and Procedures 5-04-84 CD-84-7 LD Additional Guidance for 1985 and Later MY FE Labeling 5-18-84 CD-84-8 LDT/HDE General Guidance Regarding Durability Testing, Allowable Maintenance and Full Useful Life Provisions of the New LDT and HDE Regulations 5-25-84 CD-84-9 LD Revision to EPA Test Request Sheet 7-17-84 CD-84-10 LD Selection of Emission-Data Vehicles Under 86.085-24 (b)(1)(i) and (ii) 8-10-84 CD-84-11 LD Use of 5W Fuel Efficient Oil in Emission Data Vehicle 9-14-84 CD-84-12 HD Five Percent Exemption from more stringent Heavy Duty Engine Gasoline Emissions Standard 9-20-84 CD-84-13 HD Use of Exhaust Restrictor Pipes During Engine Mapping 10-05-84 CD-84-14 LD Potential Performance Warranty Liability MANUFACTURERS' GUIDANCE INDEX FOR 1985 LETTERS DATE CD # TO: SUBJECT: 2-01-85 CD-85-01 LDV FE Value Range 1985 Model Year Comparable Vehicles 3-05-85 CD-85-02 LDV/LDT Certification of Light-Duty Vehicles Equipped with Charge Air Coolers (Intercoolers or Aftercoolers) 3-12-85 CD-85-03 LD 1986 Model Year Fuel Economy Procedures 4-10-85 CD-85-04 LD Separate Labels for High Performance Vehicles 5-03-85 CD-85-05 LD Pickup of Processed Manufacturer Submitted Data Printouts at the MVEL Computer Window 5-08-85 CD-85-06 LD Delay of the Requirement for Separate Engine Families for Inter-cooled LDV Engines 6-11-85 CD-85-07 HDE Heavy-Duty Engine 1986 Model Year Application for Certification Instructions 6-21-85 CD-85-08 LD Revision of Test Request Sheet 7-01-85 CD-85-09 LDV/T/HD Definition of "Routine Emission Test Record" 7-19-85 CD-85-10 LD 1986 Model Year Fuel Economy Data Sheet Update 7-25-85 CD-85-11 LD/HD Allowable Maintenance Regulations-- Questions and Answers 8-07-85 CD-85-12 LD/HD/MC Office Security/Implementation of Central Mail System 8-15-85 CD-85-13 LD Reassessment of Gas Guzzler Status 8-20-85 CD-85-l4 MC Definition of "Routine Emission Test Record"--Reference: 86.440-78(a)(3) 11-05-85 CD-85-15 LD Explanation of EPA Certification Procedures 11-15-85 CD-85-16 ALL Guidance on NOx Averaging for Light- Duty Trucks 12-06-85 CD-85-17 LD Separation of trap and non-trap oxidizer equipped diesel vehicles into different basic engines for Fuel Economy Label Calculations. 0839u MANUFACTURERS' GUIDANCE INDEX FOR 1986 LETTERS DATE CD # TO SUBJECT 1-17-86 86-01 LD Mass Correction of Dynamometer Quick Check Results for ETW Differences between Test Vehicles and Coastdown Vehicles 2-06-86 86-02 LD Updated 1986 Model Year Fuel Economy Ranges 2-06-86 86-X1 Preparation of Vehicles for Testing at EPA 2-07-86 86-03 LD Domestic Content--Transmittal of a letter to Ford which may be of General Interest to Other Manufacturers. 3-12-86 86-04 MC Instructions for the Preparation and Submission of Applications for Certifi- cates of Conformity for 1987 and Later Model Year Motorcycles 3-28-86 86-05 LD Supplement to the 1987 Model Year Light- Duty Vehicle Application Format 4-02-86 86-06 LD Compliance with Sections 202(a)(4) and 206(a)(3) of the Clean Air Act (Distribu- tion of VWoA Manganese letter) 4-17-86 86-07 HDE/HDV Instructions for Heavy-Duty Engine and Vehicle Certification 5-15-86 86-08 LD Proposed Advisory Circular No. 55C-- Alternative Dynamometer Power Absorber Settings 5-21-86 86-09 LD 1986 Model Year Passenger Automobile CAFE Adjustment Coefficient 5-23-86 86-10 LD Alternative Methods for Establishing Coastdown Match Times and Dynamometer Power Absorper Values 5-29-86 86-11 LD Determination of Adjustable ECM Parameters 6-18-86 86-12 LD 1987 Model Year Fuel Economy Label Infor- mation 6-19-86 86-13 LD Encoding Laboratory Test Sites 6-25-86 86-14 LD Audit of Mileage Accumulation Fuels and Lubricants 9-10-86 86-15 LD Low Viscosity (5W) Engine Oil Usage 10-01-86 86-16 ALL Certification Branch Team Change MANUFACTURERS' GUIDANCE INDEX FOR 1986 LETTERS Page 2 DATE CD # TO SUBJECT 10-30-86 86-17 LD/HD Resetting Warning Devices for Emission Control System Maintenance 11-19-86 86-18 HDDE Reclassification of Smoke Puff Limiters 12-02-86 86-19 LD International Harmonization of Certification Testing Procedures 12-03-86 86-20 LD Selection of Emission-Data Vehicles 12-04-86 86-21 LD/HD Summary of Comments Received Pertaining to the Draft Advisory Circular No. 51C: Assigned Deterioration Factors for 1988 Model Year Light-Duty Vehicles, Light-Duty Trucks, and Heavy-Duty Engines 12-12-86 86-22 LD Advisory Circular No. 55C--Alternative Dynamometer Power Absorber Settings 12-18-86 86-23 LD Fuel Economy Label for 1987 and Later Model Years MANUFACTURERS' GUIDANCE INDEX FOR 1987 LETTERS DATE CD # TO SUBJECT 1-23-87 87-01 LD Current Policy on Driver-Selectable Devices 2-25-87 87-02 LD/HD A/C No. 51C Attachment I Correction--Assigned Deterioration Factor Addendum 3-13-87 87-03 LD/HD Feasibility Study for Proposed Certifica-tion and Fuel Economy Fees 3-31-87 87-X2 Updated 1987 Model Year Fuel Economy Ranges 4-07-87 87-04 LDV CAFE Adjustment Coefficient for 1987 Model Year Passenger Automobiles 4-17-87 87-05 LD Determination of a New Adjustable Parameter (40 CFR 86.085-22(e)(1)(i)) 4-30-87 87-06 LD Shift Points for Manual Transmission Test Vehicles Equipped with Shift Indicator Lights--A Proposal 6-09-87 87-07 ALL Proposed Procedure to Ensure Compliance with Regulatory Requirements for Mileage Accumulation Fuel 6-30-87 87-08 LD Idle CO CVS Testing of Light-Duty Trucks 7-01-87 87-09 LD Supplement to the 1988 Model Year Light- Duty Vehicle Application Format 8-13-87 87-10 LD Fuel Economy Label Information for 1988 Model Year 9-4-87 87-X1 1988 Model Year Fuel Economy Ranges 9-24-87 87-11 ALL Certification Branch Team Change 10-21-87 87-12 ALL Access to Certification Division Office Area--A Reminder on Current Procedures 10-28-87 87-13 LD Implementation of the Video Driver's Aid System at MVEL and Computer Entry of Shift Schedules 11-05-87 87-14 LD Mileage Accumulation Fuel Additives Packages 11-19-87 87-15 LD Proposed Optional Method for Assignment of Test Vehicle Fuel Economy Dispositions 12-31-87 87-16 ALL Duration of Certificate of Conformity, Annual Production Period, and Model Year MANUFACTURERS' GUIDANCE INDEX FOR 1988 LETTERS DATE CD # TO SUBJECT 1-19-88 88-01 LD Changes to MVEL ADP Timesharing Contract with University of Michigan 1-21-88 88-02 LD Catalyst Thermal Degradation Criteria Contained in Advisory Circular No. 17F; Revision to Endnote #4 2-08-88 88-03 LD CAFE Adjustment Coefficient for 1988 Model Year Passenger Automobiles 3-2-88 88-X3 Updated 1988 Model Year Fuel Economy Ranges 3-14-88 88-04 LD Alternative Method to Calculate Average Exchange Rates 5-13-88 88-05 LD Supplement to the 1988 Model Year Light- Duty Vehicle Application Format; Revision to Fuel Economy Input Forms 5-20-88 88-06 ALL Update of Abbreviated Certification Review Guidelines 5-20-88 88-07 LD Side Fan Cooling for Emissions Testing 6-22-88 88-08 LD Supplement to the 1989 Model Year Light- Duty Vehicle Application Format 7-26-88 88-09 LD Fuel Economy Label Information for 1989 Model Year 8-15-88 88-10 HD Computerized Processing of Heavy-Duty Engine and Heavy-Duty Vehicle Certifica- tion Data 8-15-88 88-11 MC Computerized Processing of Gasoline-Fueled Motorcycle Certification Data 8-23-88 88-12 LD Advance Distribution of 1989 Model Year Gas Mileage Guide Information for Manufacturer Review/Approval 8-26-88 88-13 LD Revised Vehicle Information Data Sheet 8-26-88 88-14 LD EPA Response to Motor Vehicle Manufacturers Association Regarding Guidance Letter CD-88-07 9-2-88 88-X2 1989 Model Year Fuel Economy Ranges 9-12-88 88-15 LD Use of SG Energy Conserving II Oils 9-27-88 88-16 LD Test Procedures at the Motor Vehicle Emissions Laboratory 10-14-88 88-17 ALL Certification Branch Team Change 12-05-88 88-18 HD Instructions for Heavy-Duty Engine and Heavy-Duty Vehicle Certification 12-05-88 88-19 MC Instructions for Motorcycle Certification 12-16-88 88-20 LD Use of SG Energy Conserving II Oils with Fuel Economy Improvement Factors of 2.9 for 10W30 and 3.1 for 5W30 12-23-88 88-X1 Draft Cold Temperature Test Procedures MANUFACTURERS' GUIDANCE INDEX FOR 1989 LETTERS DATE CD # TO SUBJECT 2-10-89 89-01 LD Update on Side Fan Cooling 2-24-89 89-X1 Updated 1989 Model Year Fuel Economy Ranges 3-15-89 89-02 LD CAFE Adjustment Coefficient for 1989 Model Year Passenger Automobiles 3-24-89 89-03 LD Fuel Economy Disposition Assignment 6-22-89 89-04 LD Relocation of Manufacturer Incoming Mailboxes and Use of Government Equipment 6-30-89 89-05 LD Fuel Economy Label Information for 1990 Model Year 8-04-89 89-06 LD Number of Fuel Tank Thermocouples 8-23-89 89-07 LD Revised "California Only" Certificate Format 9-06-89 89-08 LD 1990 Model Year Fuel Economy Ranges 11-22-89 89-09 ALL Certification Branch Team Change MANUFACTURERS' GUIDANCE INDEX FOR 1990 LETTERS DATE CD # TO SUBJECT 02-23-90 Updated 1990 Model Year Fuel Economy Ranges (missing) 04-30-90 90-01 MC New Data Entry Forms for Motorcycle Certification 05-15-90 90-02 LD CAFE Adjustment Coefficient for 1990 MY Passenger Automobiles 06-11-90 90-03 HD Instructions for Heavy-Duty Engine and Heavy-Duty Vehicle Certification 07-06-90 90-04 LD Fuel Economy Label Information for 1991 Model Year 09-11-90 90-X1 1991 MY Fuel Economy Ranges 10-17-90 90-05 LD Fuel Tank Heating with Electric Heat Blanket 11-23-90 90-06 LD Durability-Data Vehicle Selection 12-20-90 90-07 Alternative Method of Computer Processing for Carryover of Previous Year Certification Data 12-21-90 90-08 HD Revised HD Computer Input Forms 0839u MANUFACTURERS: GUIDANCE INDEX FOR 1991 LETTERS DATE CD# TO SUBJECT 03-01-91 CD-91-X1 Updated 1991 Model Year Fuel Economy Ranges 06-28-91 CD-91-01 LD Fuel Economy Label Information for 1992 Model Year 06-28-91 CD-91-02 LD Carryover of 1992 MY Oil Survey Data 08-16-91 CD-91-03 LD CAFE Adjustment Coefficient for 1991 Model Year Passenger Automobiles 08-23-91 CD-91-04 LDV Review of draft portions of the 1992 Gas Mileage Guide 08-31-91 CD-91-05 LDV Delay of Test Data Submission for 1994 Model Year 09-06-91 CD-91-06 LD 1992 Model Year Fuel Economy Ranges 09-20-91 CD-91-07 LDV/HDE/ Solicitation of Comments on Proposcd MC/ICI/SM EPA Standardized Engine Family and Evaporative Family Names 12-12-91 CD-91-08 LDV/HDE/ Revised Engine Family name and New HDV/MC/ Evaporative Family Name ICI/SM 12-13-91 CD-91-09 LD/HD/MC Certification Branch Organization Changes MANUFACTURERS: GUIDANCE INDEX FOR 1992 LETTERS DATE CD# TO SUBJECT 01-13-92 CD-92-01 LDV Tier 1 Phase-In for Small-Volume Aggregated Firms 03-19-92 CD-92-02 LDV, LDT Updated 1992 Model Year ICI Fuel Economy Ranges 05-18-92 CD-92-03 LDV, LDT, Waivers of Tier Particulate ICI/SM Matter Data Submittal Requirement or Otto-Cycle Vehicles 06-19-92 CD-92-04 LDV, LDT Manufacturer Use of Electric Dynos Alternative Test Equipment 06-22-92 CD-92-05 LDV, LDT Fuel Economy Label Information for 1993 Model Year 07-01-92 CD-92-06 LDV, ICI, Calculation of Domestic Content for SM Carline Classification 07-06-92 CD-92-07 LDV, LDT, Implementation of the Motor Vehicle HDV, HDE, and Engine Compliance Program Fees MC, ICI, SM 08-10-92 CD-92-08 LDV CAFE Adjustment Coefficient for 1992 Model Year Passenger Automobiles 08-10-92 CD-92-09 LDV, LDT Cold CO Dynamometer/Road Load Issues 08-21-92 CD-92-10 LDV, LDT Listing Standards on Emission Labels 08-24-92 CD-92-11 Review/Approval of 1993 Model Year Guide Entries 09-04-92 CD-92-12 LDV 1993 Model Year Fuel Economy Ranges 09-28-92 CD-92-13 LDV, HD, Access to Confidential Business MC,SMV, Information (CBI) LIMO by Senior ICI, Environmental Enrollees 09-21-92 CD-92-14 LDV 48 Inch Single Roll Electric Dynamometers 09-25-92 CD-92-15 LDV 1994 Model Year Data Supplement 09-30-92 CD-92-16 LDV, LDT Cold Temperature CO Phase-in for Small Volume aggregated Firms 10-16-92 CD-92-17 LDV Workshop on New EPA Dynamometers 10-21-92 CD-92-18 LDV Change in Location of Dynamometer Workshop 12-14-92 CD-92-19 LDV, LDT, Revised EPA Test Request Form SM, ICI, LIMO MANUFACTURERS: GUIDANCE INDEX FOR 1993 LETTERS DATE CD# TO SUBJECT 02-02-93 CD-93-01 LDV/LDT/ Cold CO Dynamometer/Road Load SM/ICI/LIMO Issues 02-12-93 CD-93-02 MC Motorcycle Data Input to EPA's Data Base for 1994 MY 02-26-93 CD-93-03 LDV/LDT/ICI/ Data Transmittal to EPA's Data Base LIMO/SM 03-04-93 CD-93-04 LDV/LDT/ICI/ Submissions to the National Technical LIMO/SM/MC Information Services (NTIS) 03-24-93 CD-93-05 LDV/LDT/SVM/ Updated 1993 Model Year Fuel Economy ICI Ranges and 1993 Annual Fuel Cost for M85 03-12-93 CD-93-06 HHDD/MHDD/ Compression Ignition HD Engine - Spark LHDD/LHDV/ Ignition HD Engine - HD Vehicle - HD HDG/HDV Vehicle Evaporative Data Input to EPA's Data Base for 1994 MY 03-17-93 CD-93-07 LDV/LDT/SM/ICI Computer Update Workshop 03-30-93 CD-93-09 LDV/LDT/SM/ICI/ Computer Data Window HD/MC 04-16-93 CD-93-11 ICI/LDV/LDT/SM CAFE Adjustment Coefficient 93MY Passenger Autos 04-22-93 CD-93-12 LDV/LDT/HD/MC/ New Procedure Obtain Test Car List, Fuel SM/ICI/LIMO Econ Guides & Fed Cert Test Results 05-20-93 CD-93-13 HD/ICI/LDV/LDT/ Solicitation of Comments on Proposed EPA SM Stand Evap Fam Name 96MY & Later MY 06-02-93 CD-93-14 LDV/LDT/SM/ICI/ Computer Data Window HD/MC 07-13-93 CD-93-15 LDV/LDT/ICI/SM Fuel Economy Label Info for 94MY 08-02-93 CD-93-16 LDV/LDT/ICI/SM 1994 Fuel Economy Data Submission 08-05-93 CD-93-17 LDV/LDT/ICI/SM/ Cross-Border Sales--Impact on Cold CO LIMO Phase-in Requirements 09-17-93 CD-93-18 LDV/LDT/ICI 94MY Fuel Economy Ranges 10-14-93 CD-93-19 LDV/LDT/ICI/HD/ Carryover of MY95 CARB Evaporative SM data MANUFACTURERS: GUIDANCE INDEX FOR 1994 LETTERS Date CD# To Subject 01-10-94 CD-94--01 LDV Carryover and Carryacross of Model Year 1995 California Durability Data 02-09-94 CD-94-02 (LDV/LDT/ICI/ Testing Vehicles Equipped with Daytime SM/LIMO) Running Lights 02-18-94 CD-94-03 (ALL) EPA Standardized Engine Family Names For the 1995 MY 02-16-94 CD-94-04 (LDV) Tampering Protection Requirements of the On-Board Diagnostics Rulemaking 02-23-94 CD-94-05 (LDV/LDT/ICI/ Ballasting Procedure for Tier 1 HLDTs HD/SM) 02-25-94 CD-94-06 (LDV/LDT/SM/ Updated 1994 Model Year Fuel Economy ICI/LIMO) Ranges 03-23-94 CD-94-07 (ICI/LDV/ CAFE Adjustments Coefficient for 94 MY LDT/SM) Passenger Automobiles 03-01-94 CD-94-08 (LDV/ICI) Manufacturer Test Data Submission. Data Submission 03-24-94 CD-94-09 (HD/ICI/LDV/ Standardized Evaporative Family Name for LDT/SM) MY96 and Later 04-18-94 CD-94-10 (LDV/LDT/ Data Submittal for Enhanced Evaporative ICI/SM) Test Vehicles 05-31-94 CD-94-11 (LDV/LDT) Solicitation of Comments on Advisory Circular 17F: General Criteria for Carryover & Carry Across of Certification Data and Carryover of Fuel Economy Data 06-20-94 CD-94-12 (LDV/LDT) Hood Position and Use of Fans and Accessories in Conjunction with the Certification Short Test 07-29-94 CD-94-13 (LDV/LDT/ Alternative Durability Guidance for MY94 ICI/SM) through MY981 08-05-94 CD-14-94 (LDV/LDT/SM/ Fuel Economy Label Information for 1995 ICI/LIMO) Model Year 08-05-94 CD-94-15 (LDV/LDT/ICI/ 1995 Fuel Economy Data Submission LIMO/SM) 08-05-94 CD-94-16 (LDV/LDT/SM/ Protocol for MPG Calculations for MPG ICI/LIMO) Calculations for Vehicles Tested on Phase II Gasoline 08-11-94 CD-94-17 (HD/NRHD) Notice of Workshop for Certification Implementaion Strategy for Nonroad Compression-Ignition Engines at or above 37 Kilowatts 09-09-94 CD94-18 (LDV/LDT/IC/) 1995 Model Year Fuel Economy Ranges MANUFACTURERS: GUIDANCE INDEX FOR 1995 LETTERS Date CD # TO Subject 01/23/95 95-01 (LDV/LDT/HD/NRHD Reassignment of EPA /MC/SM/LIMO) Manufacturer Contacts 03/08/95 95-02 (LDV/LDT/ICI/HD/ Use of Carry-Across SM) Evaporative Emission Data 03/10/95 95-03 (HD) Declaration of Emission Control for HD Engines to be Exported from the United States 03/27/95 95-04 (LD) OBD Direct Final Rulemaking to Accept Revised CA OBD II Requirements 04/07/95 95-05 (LDV/LDT) Guidance on Require- ments Pertaining to the Certification Short Test 04/12/95 95-06 (LDV/LDT/LIMO/SM) Manufacturer submittal 1994, 1995 & 1996 Computer Data 04/13/95 95-07 (LDV) Data Submission 05/04/95 95-08 (LDV) Analytical Derived Fuel Economy (ADFE) 06/01/95 95-09 (LDV/LDT/SM/ MPG Calculations for Certification ICI/LIMO) Vehicles Tested on California Phase 2 Gasoline 06/09/95 95-10 (LDV/LDT/HDV/ Updated MVECP Fee Filing Form HDE/MC/ICI/SM) 07/11/95 95-11 (LDV/LDT/SMV) CFEIS briefing scheduled for 9/6/95 09/27/95 95-14 (LDV\LDT\HD\GF) Assigned Deterioration Factors for Gaseous-Fueled Vehicles and Engines 05/02/96 (LD/HD) Small Vol Mfrs Instructions 5/96