Table 4-15: Bus Fuel Consumption and Travel,,,,,,,,,,,,,,,,, ,1960,1965,1970,1975,1980,1985,1990,1991,1992,1993,1994,1995,1996,1997,1998 ,1999,2000 Number registered (thousands),272,314,378,462,529,593,627,631,645,654,670,686,695,698,716,729,746 Vehicle-miles traveled (millions),"4,300","4,700","4,500","6,100","6,100","4,500","5,700","5,800","5,800","6,100","6,400","6,400","6,600","6,842","R7,007","7,662","7,601" Fuel consumed (million gallons),827,875,820,"1,053","1,018",834,895,864,878,929,964,968,990,"1,027","R1,040","1,148","1,110" Average miles traveled per vehicle (thousands),16.0,14.9,12.0,13.1,11.5,7.5,9.1,9.1,9.0,9.4,9.6,9.4,9.4,9.8,9.8,10.5,10 Average miles traveled per gallon,5.3,5.3,5.5,5.8,6.0,5.4,6.4,6.7,6.6,6.6,6.6,6.6,6.6,6.7,6.7,6.7,7 Average fuel consumed per vehicle (gallons),"3,039","2,784","2,172","2,279","1,926","1,405","1,428","1,369","1,362","1,420","1,438","1,412","1,425","1,471","R1,454","1,576","1,488" KEY: R = revised.,,,,,,,,,,,,,,,,, ,,,,,,,,,,,,,,,,, "NOTE: Includes both publicly and privately owned school, transit, and other commercial buses.",,,,,,,,,,,,,,,,, ,,,,,,,,,,,,,,,,, "SOURCES: 1960-94: U.S. Department of Transportation, Federal Highway Administration, Highway Statistics Summary to 1995, FHWA-PL-97-009 (Washington, DC: July 1997), table VM-201A.",,,,,,,,,,,,,,,,, "1995-2000: Ibid., Highway Statistics (Washington, DC: Annual issues), table VM-1.",,,,,,,,,,,,,,,,, ,,,,,,,,,,,,,,,,,