Table 4-26:  Energy Intensity of Amtrak Services,,,,,,,,,,,,,,
,1975,1980,1985,1990 ,1991 ,1992 ,1993 ,1994 ,1995 ,1996 ,1997 ,1998 ,1999 ,2000 
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"
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"
  Electric (millions of kWh)a,180,254,295,330,303,300,301,309,304,293,282,275,283,350
  Diesel (million gallons),63,64,65,82,82,82,83,75,66,71,75,75,74,76
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"
KEY:  Btu = British thermal unit; kWh = kilowatt hour.,,,,,,,,,,,,,,
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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%.",,,,,,,,,,,,,,
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"NOTE:  The heat equivalent factors used in Btu conversion are:  diesel = 138,700 Btus/gallon;  electric = 3,412 Btu/kWh.",,,,,,,,,,,,,,
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SOURCES:,,,,,,,,,,,,,,
Revenue passenger-miles:,,,,,,,,,,,,,,
"Amtrak, Amtrak Annual Report, Statistical Appendix (Washington, DC:  Annual issues).",,,,,,,,,,,,
Locomotive fuel consumed:,,,,,,,,,,,,
"1975-2000: Ibid., State and Local Affairs Department, personal communication.",,,,,,,,,,,,
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