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Table 4-13: Single-Unit 2-Axle 6-Tire or More Truck
Fuel Consumption and Travela
Excel | CSV
Number registered (thousands) |
3,681 |
4,232 |
4,374 |
4,593 |
4,487 |
4,481 |
4,370 |
4,408 |
4,906 |
5,024 |
R5,266 |
5,293 |
5,735 |
5,763 |
5,926 |
Vehicle-miles (millions) |
27,100 |
34,600 |
39,800 |
45,400 |
51,900 |
52,900 |
53,900 |
56,800 |
61,300 |
62,705 |
R64,072 |
66,893 |
68,021 |
70,304 |
70,583 |
Fuel consumed (million gallons) |
3,968 |
5,420 |
6,923 |
7,399 |
8,357 |
8,172 |
8,237 |
8,488 |
9,032 |
9,216 |
R9,408 |
9,576 |
6,817 |
9,372 |
9,548 |
Average miles traveled per vehicle (thousands) |
7.4 |
8.2 |
9.1 |
9.9 |
11.6 |
11.8 |
12.3 |
12.9 |
12.5 |
12.5 |
12.2 |
12.6 |
11.9 |
12.2 |
11.9 |
Average miles traveled per gallon |
6.8 |
6.4 |
5.8 |
6.1 |
6.2 |
6.5 |
6.5 |
6.7 |
6.8 |
6.8 |
6.8 |
7.0 |
10.0 |
7.5 |
7.4 |
Average fuel consumed per vehicle (gallons) |
1,078 |
1,281 |
1,583 |
1,611 |
1,862 |
1,824 |
1,885 |
1,926 |
1,841 |
1,835 |
R1,787 |
1,809 |
1,189 |
1,626 |
1,611 |
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: 1965-94: U.S. Department of Transportation, Federal
Highway Administration, Highway Statistics Summary to 1995, FHWA-PL-97-009
(Washington, DC: July 1997), table VM-201A.
1995-2000: Ibid., Highway Statistics (Washington, DC:
Annual issues), table VM-1.
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