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Table 4-13M: Single-Unit 2-Axle 6-Tire or More Truck Fuel Consumption and Travela
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| Number registered (thousands) |
3,681 |
4,232 |
4,374 |
4,593 |
4,487 |
4,481 |
4,370 |
4,408 |
4,906 |
5,024 |
5,266 |
5,293 |
5,735 |
5,763 |
5,926 |
5,704 |
5,651 |
5,849 |
6,161 |
6,395 |
6,649 |
| Vehicle-kilometers (millions) |
43,613 |
55,683 |
64,052 |
73,064 |
83,525 |
85,134 |
86,744 |
91,411 |
98,653 |
100,914 |
103,114 |
107,654 |
109,469 |
113,143 |
113,459 |
116,594 |
122,094 |
125,138 |
126,239 |
(R) 126,327 |
129,280 |
| Fuel consumed (million liters) |
15,021 |
20,517 |
26,206 |
28,008 |
31,635 |
30,934 |
31,180 |
32,131 |
34,190 |
34,886 |
35,617 |
36,249 |
25,807 |
35,477 |
36,200 |
36,595 |
39,068 |
33,616 |
33,912 |
(R) 35,965 |
37,260 |
| Average kilometers traveled per vehicle (thousands) |
11.8 |
13.2 |
14.6 |
15.9 |
18.6 |
19.0 |
19.9 |
20.7 |
20.1 |
20.1 |
19.6 |
20.3 |
19.1 |
19.6 |
19.1 |
20.4 |
21.6 |
21.4 |
20.5 |
(R) 19.8 |
19.4 |
| Average kilometers traveled per liter |
2.9 |
2.7 |
2.4 |
2.6 |
2.6 |
2.8 |
2.8 |
2.8 |
2.9 |
2.9 |
2.9 |
3.0 |
4.2 |
3.2 |
3.1 |
3.2 |
3.1 |
3.7 |
3.7 |
(R) 3.5 |
3.5 |
| Average fuel consumed per vehicle (liters) |
4,080 |
4,848 |
5,992 |
6,098 |
7,050 |
6,904 |
7,135 |
7,289 |
6,968 |
6,944 |
6,763 |
6,848 |
4,500 |
6,156 |
6,109 |
6,416 |
6,914 |
5,748 |
5,504 |
(R) 5,624 |
5,604 |
KEY: R = revised.
a Beginning in 1998, the Federal Highway Administration (FHWA) used the Census Bureau's 1997 Vehicle Inventory and Use Survey (VIUS) for its baseline estimate of single-unit 2-axle 6-tire or more trucks. Prior to 1998, the FHWA used the Census Bureau's 1992 Transportation Inventory and Use Survey (TIUS) for its baseline estimates. Therefore, post-1997 data may not be comparable to 1997 and earlier years.
NOTES
In 1995, the U.S. Department of Transportation, Federal Highway Administration revised its vehicle categories beginning with 1993 data to include passenger cars, other 2-axle 4-tire vehicles, single-unit 2-axle 6-tire or more trucks, and combination trucks. Single-unit 2-axle 6-tire or more trucks are on a single frame with at least 2 axles and 6 tires. Pre-1993 data have been reassigned to the most appropriate category.
SOURCES
1970-94: U.S. Department of Transportation, Federal Highway Administration, Highway Statistics Summary to 1995, FHWA-PL-97-009 (Washington, DC: July 1997), table VM-201A.
1995-2006: Ibid., Highway Statistics (Washington, DC: Annual issues), table VM-1.
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