Table 4-24M: Energy Intensity of Transit Motor Buses,,,,,,,,,,,,,,,,,,,,,, ,1960,1965,1970,1975,1980,1985,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000,2001,2002,2003,2004,2005 Vehicle-kilometers (millions),"2,536","2,459","2,268","2,456","2,699","2,998","3,428","3,487","3,505","3,556","3,479","3,514","3,574","3,612","3,500","3,663","3,725","3,825","3,880","3,896","3,977","4,015" Passenger-kilometers (millions),N,N,N,N,"35,084","34,118","33,766","33,941","32,728","32,584","30,307","30,285","30,732","31,550","32,766","34,126","34,184","35,441","35,150","34,218","34,403","35,124" Fuel consumed (million liters diesel) ,787,939,"1,026","1,382","1,632","1,961","2,132","2,169","2,241","2,179","2,139","2,134","2,187","2,262","2,296","2,340","2,404","2,223","2,116","2,039","2,084","2,021" Energy intensity (kilojoules / passenger-kilometers),N,N,N,N,"1,798","2,222","2,441","2,470","2,647","2,586","2,728","2,724","2,751","2,772","2,709","2,651","2,719","2,424","2,327","2,304","2,341","2,225" KEY: N = data do not exist.,,,,,,,,,,,,,,,,,,,,,, ,,,,,,,,,,,,,,,,,,,,,, NOTES,,,,,,,,,,,,,,,,,,,,,, "Heat equivalent factor used for joule conversion is 38,657,950 joules/liter.",,,,,,,,,,,,,,,,,,,,,, 1.609344 kilometers = 1 mile.,,,,,,,,,,,,,,,,,,,,,, 3.785412 liters = 1 gallon.,,,,,,,,,,,,,,,,,,,,, , 0.6555814 kilojoule per passenger-kilometer = 1 British thermal unit (Btu) per passenger-mile.,,,,,,,,,,,,,,,,,,,,,, ,,,,,,,,,,,,,,,,,,,,,, SOURCE,,,,,,,,,,,,,,,,,,,,,, "American Public Transportation Association, 2007 Public Transportation Fact Book (Washington, DC: 2007), tables 55, 10, 12, 27, and similar tables in earlier editions, Internet site http://www.apta.com/ as of Nov. 27, 2007. ",,,,,,,,,,,,,,,,,,,,,, ,,,,,,,,,,,,,,,,,,,,,