Table 4-24M: Energy Intensity of Transit Motor Buses

Table 4-24M: Energy Intensity of Transit Motor Buses

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  1960 1965 1970 1975 1980 1985 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 (P) 2002
Vehicle-kilometers (millions) 2,536 2,459 2,268 2,456 2,699 2,998 3,428 3,487 3,505 3,557 3,479 3,515 3,574 3,613 3,500 3,663 3,725 3,825 3,880
Passenger-kilometers (millions) N N N N 35,084 34,118 33,766 33,941 32,728 32,584 30,307 30,285 30,732 31,550 32,766 34,126 34,184 35,441 35,151
Fuel consumed (million liters diesel) 787 939 1,026 1,382 1,632 1,961 2,132 2,169 2,241 2,179 2,139 2,134 2,187 2,264 2,296 2,340 2,404 2,222 2,116
Energy intensity (kilojoules / passenger-kilometers) N N N N 1,798 2,222 2,441 2,470 2,647 2,586 2,729 2,724 2,751 2,772 2,710 2,651 2,719 2,424 2,894

KEY: N = data do not exist; P = preliminary.

NOTES

Heat equivalent factor used for joule conversion is 38,657,950 joules/liter.

1.609344 kilometers = 1 mile.

3.785412 liters = 1 gallon.

0.6555814 kilojoule per passenger-kilometer = 1 British thermal unit (Btu) per passenger-mile.

SOURCE

American Public Transportation Association, Public Transportation Fact Book (Washington, DC: February 2004), tables 38 and 70, and similar tables in earlier editions.