Table 4-26:  Energy Intensity of Amtrak Services,,,,,,,,,,,,,,,,,,,
,1975,1980,1985,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000,2001,2002,2003,2004,2005
Revenue passenger-miles (millions),"3,931","4,503","4,785","6,057","6,273","6,091","6,199","5,921","5,545","5,050","5,166","5,304","5,330","5,498","5,559","5,468","5,680","5,511","5,381"
Locomotive fuel consumed,,,,,,,,,,,,,,,,,,,
Total fuel consumed (billion Btu)a,"9,367","9,673","9,995","12,512","12,406","12,328","12,511","11,457","10,191","10,875","11,365","11,341","11,229","11,735","11,674","13,952","13,091","11,920","11,138"
Electric (millions of kWh)a,180,254,295,330,303,300,301,309,304,293,282,275,283,350,377,593,666,648,500
Diesel (million gallons),63,64,65,82,82,82,83,75,66,71,75,75,74,76,75,86,78,70,68
Energy intensity (Btu/revenue passenger-mile)a,"2,383","2,148","2,089","2,066","1,978","2,024","2,018","1,935","1,838","2,153","2,200","2,138","2,107","2,134","2,100","2,551","2,305","2,163","2,070"
KEY:  Btu = British thermal unit; kWh = kilowatt hour; U = data are not available.,,,,,,,,,,,,,,,,,,,
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"a Does not include electric power generation and distribution losses, which, if included, would triple the electric conversion factor given below and increase the numbers in this row by about 20 percent.",,,,,,,,,,,,,,,,,,,
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NOTE,,,,,,,,,,,,,,,,,,,
"The heat equivalent factors used in Btu conversion are: diesel = 138,700 Btu/gallon; electric = 3,412 Btu/kWh.",,,,,,,,,,,,,,,,,,,
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SOURCES,,,,,,,,,,,,,,,,,,,
Revenue passenger-miles:,,,,,,,,,,,,
"1975-2002: Amtrak, Amtrak Annual Report, Statistical Appendix (Washington, DC:  Annual issues).",,,,,,,,,,,,
"2003-2005: Association of American Railroads, Railroad Facts 2006 (Washington, DC: 2006), p. 77 and similar pages in earlier editions.",,,,,,,,,,,,
Locomotive fuel consumed:,,,,,,,,,,,,
"1975-2001: Ibid., State and Local Affairs Department, personal communication.",,,,,,,,,,,,
"2001-05: Amtrak personal communication as of Dec. 19, 2007.",,,,,,,,,,,,
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