Table 4-16M: Transit Industry Electric Power and Primary Energy Consumptiona and Travel

Table 4-16M: Transit Industry Electric Power and Primary Energy Consumptiona and Travel

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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
Number of vehicles (thousands) 65 62 61 62 75 94 (R) 93 (R) 97 (R) 103 (R) 108 (R) 116 (R) 116 (R) 123 (R) 126 (R) 124 (R) 129 (R) 131 (R) 135 (R) 135 (R) 138 (R) 144
Vehicle-kilometers traveled (millions) 3,449 3,232 3,030 3,502 3,681 4,492 5,217 5,321 5,399 5,528 5,580 5,713 5,875 6,028 6,105 6,393 6,567 6,753 6,883 (R) 7,022 7,195
Electric power consumed (million kWh) 2,908 2,584 2,561 2,646 2,446 4,216 4,837 4,853 4,716 4,865 5,081 5,068 5,007 4,988 5,073 5,237 5,510 5,610 5,649 5,643 5,825
Primary energy consumed (thousand liters)                                          
Diesel 787,744 940,296 1,024,332 1,381,903 1,633,027 2,304,324 2,464,417 2,517,897 2,592,795 2,568,444 2,567,365 2,567,592 2,622,208 2,713,959 2,799,770 2,889,666 2,975,428 2,818,856 2,742,663 (R) 2,698,041 2,766,023
Gasoline and other nondiesel fuelsb 726,421 470,148 258,165 28,678 43,154 173,008 128,348 130,472 140,738 172,887 227,136 229,888 231,716 225,092 199,169 184,327 182,775 173,648 193,624 (R) 175,242 200,275
Compressed natural gas N N N N N N N N 3,819 5,977 18,302 40,655 57,129 90,494 141,075 168,065 207,418 250,651 306,811 (R) 378,810 423,247

KEY: kWh = kilowatt hour; N = data do not exist; P = preliminary; R = revised.

a Prior to 1984, excludes commuter rail, automated guideway, urban ferryboat, demand responsive vehicles, and most rural and smaller systems.

b 1992 to 2003 data include propane, liquid petroleum gas, liquefied natural gas, kerosene, and all other nondiesel fuels except compressed natural gas. 1960 to 1991 data include propane. Series not continuous between 1991 and 1992.

NOTES

The heat equivalent factors used in joule conversions are: diesel = 38,657,950 joules/liter; electric = 3,600,000 joules/kWh, negating electrical system loses (to include electrical system loses, multiply this conversion factor by approximately three); gasoline = 34,839,537 joules/liter.

1.609344 kilometers = 1 mile.

3.785412 liters = 1 gallon.

SOURCE

American Public Transportation Association, 2006 Public Transportation Fact Book (Washington, DC: Annual issues), tables 12, 18, 26, 27, 28 and similar tables in earlier editions, Internet site http://www.apta.com/ as of Oct. 23, 2006.