Table 4-13: Single-Unit 2-Axle 6-Tire or More Truck Fuel Consumption and Travela

Table 4-13: Single-Unit 2-Axle 6-Tire or More Truck Fuel Consumption and Travela

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  1970 1975 1980 1985 1990 1991 1992 1993 1994 1995 1996 1997 R1998 1999 2000
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.