|Gasoline Light Trucks||39.4%|
|Gasoline Medium and Heavy Trucks||0.8%|
|Diesel Medium and Heavy Duty Trucks||3.3%|
|Diesel Light Trucks||0.1%|
SOURCE: U.S. Department of Energy (USDOE), Energy Information Administration (EIA), Annual Energy Outlook 2015 (April 14, 2015), Tables 40 and 41. Available at http://www.eia.gov/ as of September 2015.