Alternative Fuels Data Center
The Department of Energy’s “Alternative Fuels Data Center” provides information on alternative fuel vehicles, fuels, strategies to conserve fuel
Clean Cities is a U.S. Department of Energy program that promotes alternative fuel use for transportation; website also includes contact information for the 100 Clean Cities coalitions nationwide.
Natural Gas Vehicle America
Natural Gas Vehicle America (NGVAmerica) is a national trade association advocating the use of natural gas for transportation.