Figure 5-12 Vehicle-Miles of Travel and Fuel Use by Personal Vehicles: 1965-2014
NOTES: Includes passenger cars, light trucks and motorcycles. The definition of a light-duty vehicle was changed after 2006, affecting the vehicle types incuded in the personal vehicle category.
SOURCE: U.S. Department of Transportation, Federal Highway Administration as cited in U.S. Department of Transportation, Bureau of Transportation Statistics, National Transportation Statistics, table 4-5 and 1-35, available at https:/bts.gov/ as of March 2016.