Table 4-23: Average Fuel Efficiency of U.S. Passenger Cars and Light Trucks
KEY: CAFE = Corporate Average Fuel Economy; GVWR = gross vehicle weight rating; mpg = miles per gallon; R = revised; U = data are not available. a From 1980 to 1994, passenger car fuel efficiency includes motorcycles. b Assumes 55% city and 45% highway-miles. The source calculated average miles per gallon for light-duty vehicles by taking the reciprocal of the sales-weighted average of gallons per mile. This is called the harmonic average. c Beginning with FY 1999, the total light truck fleet ceased to be categorized by either domestic or import fleets. d 2 Wheel Drive/4 Wheel Drive. No combined figure available for this year. NOTE The fuel efficiency figures for light duty vehicles represent the sales-weighted harmonic average of the combined passenger car and light truck fuel economies. SOURCES Average U.S. passenger car fuel efficiency: 1980-94: U.S. Department of Transportation, Federal Highway Administration, Highway Statistics Summary to 1995, FHWA-PL-97-009 (Washington, DC: July 1997), table VM-201A (Revised data obtained from http://www.fhwa.dot.gov/ohim/ohimstat.htm as of Aug. 2, 2001). 1995-2006: Ibid., Highway Statistics (Washington, DC: Annual issues), table VM-1. New vehicle fuel efficiency (based on model year production) and CAFE standards: U.S. Department of Transportation, National Highway Traffic Safety Administration, Summary of Fuel Economy Performance (Washington, DC: Annual Issues), available at http://www.nhtsa.dot.gov/portal/site/nhtsa/menuitem.43ac99aefa80569eea57529cdba046a0/ as of Sep. 17, 2008. Find this web page at:
http://www.bts.gov/publications/national_transportation_statistics/2008/html/table_04_23.html |