aIncludes compressed natural gas (CNG) and liquified natural gas (LNG). Includes the total number of heavy duty vehicles that were manufactured or converted by vehicle suppliers (companies or organizations) in the associated calendar year. bflex fuel/ethanol vehicles are capable of running on E85, plain gasoline, or any ethanol-gasoline blends in between. cExcludes gasoline-electric and diesel-electric hybrids.
U.S. Department of Energy, Energy Information Administration, Alternative Fuel Vehicle Data, Supplier Database, available at https://www.eia.gov/renewable/afv/supply.php/.
Last Updated: July 2018