Table 10
Fuel Efficiency of Heavy Single-Unit Trucks, 19802002

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Year Registrations (thousands)
'(1)
Vehicle Travel (million miles)
'(2)
Fuel Use (million gallons)
'(3)
Fuel Efficiency (miles per gallon) [(2)/(3)]
'(4)
1980 4,374 39,813 6,923 5.8
1981 4,455 39,568 6,867 5.8
1982 4,325 40,658 6,803 6.0
1983 4,204 42,546 6,965 6.1
1984 4,061 44,419 7,240 6.1
1985 4,593 45,441 7,399 6.1
1986 4,313 45,637 7,386 6.2
1987 4,188 48,022 7,523 6.4
1988 4,470 49,434 7,701 6.4
1989 4,519 50,870 7,779 6.5
1990 4,487 51,901 8,357 6.2
1991 4,481 52,898 8,172 6.5
1992 4,370 53,874 8,237 6.5
1993 4,408 56,772 8,488 6.7
1994 4,906 61,284 9,032 6.8
1995 5,024 62,705 9,216 6.8
1996 5,266 64,072 9,409 6.8
1997 5,293 66,893 9,576 7.0
1998 5,414 67,894 9,741 7.0
1999 5,763 70,304 9,372 7.5
2000 5,926 70,500 9,563 7.4
2001 5,704 72,448 9,667 7.5
2002 5,651 75,887 10,305 7.4
Growth Rates - Average Annual Percentage Rates
19872002 2 3.1 2.1 1
1987-1995 2.3 3.4 2.6 0.8
1995-2001 2.1 2.4 0.8 1.6
2001-2002 -0.9 4.7 6.6 -1.3

Source: U. S. Department of Transportation, Federal Highway Administration, Highway Statistics 2002, Washington, DC, 2003, Table VM1 and annual. (Additional resources: www.fhwa.dot.gov)

Note: Heavy single-unit trucks include all single-unit trucks which have more than two axles or more than four tires. Most of these trucks would be used for business or for individuals with heavy hauling or towing needs.




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