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

Wednesday, November 21, 2012

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 2002 2003 (P) 2004
Vehicle-kilometers (millions) 2,536 2,459 2,268 2,456 2,699 2,998 3,428 3,487 3,505 3,556 3,479 3,514 3,574 3,612 3,500 3,663 3,725 3,825 3,880 3,896 3,977
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 35,150 34,218 34,403
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 2,262 2,296 2,340 2,404 2,223 2,116 (R) 2,039 2,084
Energy intensity (kilojoules / passenger-kilometers) N N N N 1,798 2,222 2,441 2,470 2,647 2,586 2,728 2,724 2,751 2,772 2,709 2,651 2,719 2,424 2,327 (R) 2,304 2,341

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, 2006 Public Transportation Fact Book (Washington, DC: 2006), tables 10, 12, 27, and similar tables in earlier editions, Internet site http://www.apta.com/ as of Oct. 24, 2006.