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