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

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

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  1970 1975 1980 1985 1990 1991 1992 1993 1994 1995 1996 1997 1998
Number registered (thousands) 3,681 4,232 4,374 4,593 4,487 4,481 4,370 4,408 4,906 5,024 R5,265 5,293 5,414
Vehicle-miles (millions) 27,100 34,600 39,800 45,400 51,900 52,900 53,900 56,800 61,300 R62,705 R63,967 R66,893 67,894
Fuel consumed (million gallons) 3,968 5,420 6,923 7,399 8,357 8,172 8,237 8,488 9,032 9,216 R9,365 R9,576 9,741
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 12.5
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 7.0
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 R1,779 R1,809 1,799

KEY: R = revised.

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. 1995-98: Ibid., Highway Statistics (Washington, DC: Annual issues), table VM-1.