Table 4-9:  Motor Vehicle Fuel Consumption and Travel,,,,,,,,,,,,,,,,,,,,,
,1960,1965,1970,1975,1980,1985,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000,2001,2002,2003,2004
Vehicles registered (thousands)a,"73,858","90,358","111,242","137,913","161,490","177,133","193,057","192,314","194,427","198,041","201,802","205,427","210,441","211,580","215,496","220,461","225,821","235,331","234,624","236,760","243,023"
Vehicle-miles traveled (millions),"718,762","887,812","1,109,724","1,327,664","1,527,295","1,774,826","2,144,362","2,172,050","2,247,151","2,296,378","2,357,588","2,422,696","2,485,848","2,561,695","2,631,522","2,691,056","2,746,925","2,797,287","2,855,508","(R) 2,890,450","2,962,513"
Fuel consumed (million gallons),"57,880","71,104","92,329","108,984","114,960","121,301","130,755","128,563","132,888","137,262","140,839","143,834","147,365","150,386","155,379","161,411","162,554","163,478","168,682","(R) 170,069","173,750"
Average miles traveled per vehicle (thousands),9.7,9.8,10.0,9.6,9.5,10.0,11.1,11.3,11.6,11.6,11.7,11.8,11.8,12.1,12.2,12.2,12.2,11.9,12.2,(R) 12.2,12.2
Average miles traveled per gallon,12.4,12.5,12.0,12.2,13.3,14.6,16.4,16.9,16.9,16.7,16.7,16.8,16.9,17.0,16.9,16.7,16.9,17.1,16.9,(R) 17.0,17.1
Average fuel consumed per vehicle (gallons),784,787,830,790,712,685,677,669,683,693,698,700,700,711,721,732,720,695,719,(R) 718,715
KEY: R = revised.,,,,,,,,,,,,,,,,,,,,,
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"a  Includes personal passenger vehicles, buses, and trucks.",,,,,,,,,,,,,,,,,,,,,
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NOTE,,,,,,,,,,,,,,,,,,,,,
"See tables 4-11, 4-12, 4-13, 4-14, and 4-15 for individual highway vehicles.",,,,,,,,,,,,,,,,,,,,,
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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.",,,,,,,,,,,,,,
"1995-2004: Ibid., Highway Statistics (Washington, DC: Annual issues), table VM-1.",,,,,,,,,,,,,,