Table 4-24:  Energy Intensity of Transit Motor Buses ,,,,,,,,,,,,,,,,
,1960,1965,1970,1975,1980 ,1985 ,1990 ,1991 ,1992 ,1993 ,1994 ,1995 ,1996 ,1997 ,1998 ,1999 
Vehicle-miles (millions),"1,576","1,528","1,409","1,526","1,677","1,863","2,130","2,167","2,178","2,210","2,162","2,184","2,165","2,307","2,291","2,276"
Passenger-miles (millions),N,N,N,N,"21,800","21,200","21,000","21,100","20,300","20,200","18,800","18,800","19,100","20,400","20,603","21,205"
Fuel consumed (million gallons diesel) ,208,248,271,365,431,518,563,573,592,576,565,564,R578,597,R607,618
Energy intensity (Btu/passenger-mile),N,N,N,N,"2,742","3,389","3,718","3,767","4,045","R3,955","R4,168","4,161","R4,197","4,059","R4,086","4,042"
KEY:  Btu = British thermal unit; N = data do not exist; R = revised.,,,,,,,,,,,,,,,,
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"NOTES:  Heat equivalent factor used for Btu conversion is 138,700 Btu/gallon.",,,,,,,,,,,,,,,,
"In January 2000, the American Public Transit Association changed its name to the American Public Transportation Association.  The Transit Fact Book is now refered to as the Public Transportation Fact Book.",,,,,,,,,,,,,,,,
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"SOURCE:  American Public Transportation Association, Public Transportation Fact Book (Washington, DC: March 2001), tables 65 and 79, and similar tables in earlier editions of the Transit Fact Book.",,,,,,,,,,,,,,,,