Table 4-18,,,,,,,,,,,,,,
Amtrak Fuel Consumption and Travel ,,,,,,,,,,,,,,
,1972,1975,1980,1985,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999
Number  in use,,,,,,,,,,,,,,
  Locomotives,185,355,419,291,318,316,336,360,338,313,299,332,345,329
  Cars,"1,569","1,913","2,128","1,854","1,863","1,786","1,796","1,853","1,852","1,722","1,730","1,728","1,962","1,992"
Miles traveled (millions),,,,,,,,,,,,,,
  Train-miles,26,30,30,30,33,34,34,35,34,32,30,32,33,34
  Car-miles,213,253,235,251,301,313,307,303,304,292,276,288,312,342
Locomotive fuel consumed,,,,,,,,,,,,,,
  Electric (million of kWh hours),N,180,254,295,330,303,300,301,309,304,293,282,275,283
  Diesel (million gallons),N,63,64,65,82,82,82,83,75,66,71,75,75,74
Average miles traveled per car,"136,000","132,000","110,000","135,000","162,000","175,000","171,000","164,000","164,000","170,000","160,000","167,000","159,000","172,000"
KEY:  Btu = British thermal unit; kWh = kilowatt hour; N = data do not exist.,,,,,,,,,,,,,,
,,,,,,,,,,,,,,
"NOTE:  The heat equivalent factors used in Btu conversions are: diesel = 138,700 Btu/gallon;",,,,,,,,,,,,,,
"electric = 3,412 Btu/kWh, negating electrical system loses (to include electrical system loses, multiply this conversion factor by approximately three).",,,,,,,,,,,,,
,,,,,,,,,,,,,
SOURCES:,,,,,,,,,,,,,
Number of locomotives and cars:,,,,,,,,,,,,,
"1972-80: Amtrak, State and Local Affairs Department, personal communication.",,,,,,,,,,,,,
"1985-99: Ibid., Amtrak Annual Report, Statistical Appendix  (Washington, DC:  Annual issues).",,,,,,,,,,,,,
Miles traveled,,,,,,,,,,,,,
Train-miles: ,,,,,,,,,,,,,
"1972-99: Ibid., Amtrak Annual Report, Statistical Appendix (Washington, DC:  Annual issues).",,,,,,,,,,,,,
Car-miles:,,,,,,,,,,,,,
"1972: Ibid., Train Information System Reports (Washington, DC).",,,,,,,,,,,,,
"1975: Association of American Railroads, Yearbook of Railroad Facts 1975 (Washington, DC: 1976), p. 40.",,,,,,,,,,,,,
"1980-85: Amtrak, State and Local Affairs Department and Public Affairs Department, personal communication. ",,,,,,,,,,,,,
"1990-99: Ibid., Amtrak Corporate Reporting, Route Profitability System, personal communication, May 4, 2000.",,,,,,,,,,,,,
Locomotive fuel consumed:,,,,,,,,,,,,,
"1975-99: Ibid., State and Local Affairs Department, personal communications.",,,,,,,,,,,,,