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

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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	2004	2005
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	4,015
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	35,124
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	2,039	2,084	2,021
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	2,304	2,341	2,225

KEY: N = data do not exist.

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, 2007 Public Transportation Fact Book (Washington, DC: 2007), tables 55, 10, 12, 27, and similar tables in earlier editions, Internet site http://www.apta.com/ as of Nov. 27, 2007.