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 2004 2005 2006 2007 2008 2009
Number of vehicles (thousands) 65 62 61 62 75 94 93 97 103 108 116 116 94 98 100 103 106 111 112 115 117 122 126 126 129 136
Vehicle-kilometers traveled (millions) 3,449 3,232 3,031 3,502 3,680 4,491 5,217 5,321 5,399 5,528 5,580 5,713 4,427 4,592 4,780 5,007 5,154 5,341 5,525 5,594 5,710 5,799 5,907 6,066 6,268 6,418
Electric power consumed (million kJ) (R) 31,406,400 (R) 27,907,200 (R) 27,658,800 (R) 28,576,800 (R) 26,416,800 (R) 45,532,800 (R) 52,239,600 (R) 52,412,400 (R) 50,932,800 (R) 52,542,000 (R) 54,874,800 (R) 54,734,400 (R) 53,166,175 (R) 53,003,439 (R) 53,584,844 (R) 55,357,631 (R) 58,121,648 (R) 59,233,940 (R) 59,716,280 (R) 59,486,622 (R) 61,098,196 (R) 62,262,849 (R) 62,318,230 (R) 67,127,693 (R) 68,438,551 70,118,453
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 2,025,035 2,040,977 2,121,525 2,179,979 2,235,701 2,255,796 2,547,732 2,098,201 2,051,686 1,818,723 1,999,591 1,949,313 1,890,434 2,325,884
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 95,494 97,382 83,684 79,862 89,492 98,453 133,983 101,033 116,870 305,558 177,562 194,192 257,102 536,272
Compressed natural gas N N N N N N N N 3,819 5,977 18,302 40,655 43,443 73,204 109,018 131,826 165,333 198,772 248,980 300,774 327,798 355,322 418,830 407,700 426,818 538,120

KEY: kJ = kilojoule; kWh = kilowatt hour; N = data do not exist.

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

b 1960 to 1991 data include propane. Series not continuous between 1991 and 1992. 1992 to 1995 data include propane, liquefied natural gas, bio/soy fuel, biodiesel, hydrogen, methanol and ethynol, except compressed natural gas. 1996 to 2001 data include only propane, liquified natural gas, methanol and ethynol. 2002 to 2009 data include the above, and also biodiesel and grain fuel.

NOTES

Data prior to 1996 are not comparable to data from 1996 onward due to a change in sources with differing methodologies. 2009 data for Gasoline and other nondiesel fuels is not comparable to previous years' data due to a change in the reporting requirements that require transit agencies to submit energy consumption data for both purchased transportation (PT) services and directly operated (DO) transportation services. The major effect of this reporting change occurred within the following modes: Demand Response, Motor Bus, Publico, and Vanpool.

This table is not comparable to previous editions due to a change in the unit of measure of power consumption.

The heat equivalent factor used in joule conversion for electric = 3,600 kJ/kWh, negating electrical system losses. This table includes approximate electrical system losses, and thus the conversion factor is multiplied by 3.

1.609344 kilometers = 1 mile.

3.785412 liters = 1 gallon.

SOURCE

1960-95: American Public Transportation Association, 2009 Public Transportation Fact Book Appendix A: Historical Tables (Washington, DC: Annual Issues), tables 7, 17, 29, 30, 31 and similar tables in earlier editions, available at http://www.apta.com/resources/statistics/Pages/transitstats.aspx as of Apr. 1, 2010.

1996-2009: U.S. Department of Transportation, Federal Transit Administration, National Transit Database, tables 19 and 17 and similar tables in previous editions, available at www.ntdprogram.gov as of Dec. 9, 2010.