Table 4-14: Combination Truck Fuel Consumption and Travela

Table 4-14: Combination Truck Fuel Consumption and Travela

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  1965 1970 1975 1980 1985 1990 1995 1996 1997 R1998 1999 2000
Number registered (thousands) 787 905 1,131 1,417 1,403 1,709 1,696 1,747 1,790 1,997 2,029 2,097
Vehicle-miles traveled (millions) 31,700 35,100 46,700 68,700 78,100 94,300 115,500 118,900 124,584 128,359 132,384 135,208
Fuel consumed (million gallons) 6,658 7,348 9,177 13,037 14,005 16,133 19,777 20,193 R20,301 25,158 24,537 25,645
Average miles traveled per vehicle (thousands) 40.3 38.8 41.3 48.5 55.7 55.2 68.1 68.1 69.6 64.3 65.3 64.5
Average miles traveled per gallon 4.8 4.8 5.1 5.3 5.6 5.8 5.8 5.9 6.1 5.1 5.4 5.3
Average fuel consumed per vehicle (gallons) 8,465 8,119 8,116 9,201 9,980 9,441 11,663 11,561 R11,342 12,596 12,096 12,232

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 combination 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.

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.

1995-2001: Ibid., Highway Statistics (Washington, DC: Annual issues), table VM-1.