Table 4-15M,,,,,,,,,,,,,,,, Bus Fuel Consumption and Travel ,,,,,,,,,,,,,,,, ,1960,1965,1970,1975,1980,1985,1990,1991,1992,1993,1994,1995,1996,1997,1998, Number registered (thousands),272,314,378,462,529,593,627,631,645,654,670,686,695,698,716, Vehicle-kilometers traveled (millions)R,"6,920","7,564","7,242","9,817","9,817","7,242","9,173","9,334","9,334","9,817","10,300","10,300","10,622","R11,011","11,259", Fuel consumed (million liters),"3,131","3,312","3,104","3,986","3,854","3,157","3,388","3,271","3,324","3,517","3,649","3,664","3,748","R3,888","3,971", Average kilometers traveled per vehicle (thousands),25.4,R24.1,R19.2,21.2,R18.6,R12.2,R14.6,14.8,14.5,15.0,15.4,15.0,15.3,R15.8,15.7, Average kilometers traveled per liter,2.2,R2.3,2.3,2.5,2.5,2.3,2.7,2.9,2.8,2.8,2.8,2.8,2.8,2.8,2.8, Average fuel consumed per vehicleR (liters),"11,504","10,539","8,221","R8,627","R7,291","5,319","R5,406","5,181","5,155","5,374","5,443","5,345","R5,394","R5,568","5,549", 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.",,,,,,,,,,,,,,,, "1995-98: Ibid., Highway Statistics (Washington, DC: Annual issues), table VM-1.",,,,,,,,,,,,,,,, ,,,,,,,,,,,,,,,,