http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
regional fuels and the fuel wizard in MOVES2014b
Regional fuels and the fuel wizard in Motor Vehicle Emission Simulator 2014b
Office of Transportation and Air Quality.
1 online resource (24 unnumbered pages) : illustrations, color maps
Assessment and Standards Division, Office of Transportation and Air Quality, U.S. Environmental Protection Agency.