Bureau of Transportation Statistics (BTS)

Table 4-24: 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-miles (millions) 1,576 1,528 1,409 1,526 1,677 1,863 2,130 2,167 2,178 2,210 2,162 2,184 2,221 2,245 2,175 2,276 2,315 2,377 2,411 2,421 2,471 2,495
Passenger-miles (millions) N N N N 21,800 21,200 20,981 21,090 20,336 20,247 18,832 18,818 19,096 19,604 20,360 21,205 21,241 22,022 21,841 21,262 21,377 21,825
Fuel consumed (million gallons diesel) 208 248 271 365 431 518 563 573 592 576 565 564 578 598 607 618 635 587 559 539 550 534
Energy intensity (Btu / passenger-mile) N N N N 2,742 3,389 3,723 3,767 4,038 3,944 4,162 4,155 4,196 4,228 4,133 4,044 4,147 3,698 3,550 3,514 3,572 3,394

KEY: Btu = British thermal unit; N = data do not exist.

NOTE

Heat equivalent factor used for Btu is 138,700 Btu/gallon.

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.

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