Key: R = revised.
Notes: Data are based on Environmental Protection Agency (EPA) definitions of light trucks (gross vehicle weight of 8,500 pounds or less). Model year 2008 data are projected sales from the automotive companies.Cars data for 1997, 2006 and 2007 are revised. Light trucks data for 2006 and 2007 are revised.
Source: U.S. Environmental Protection Agency, Light-Duty Automotive Technology and Fuel Economy Trends: 1975 Through 2008, Table E-1 to E-15, available at http://www.epa.gov/otaq/fetrends.htm as of October 2008.