NGVAmericas 2013 North American NGV Conference & Expo is slated for Nov. 1821 at the Georgia World Congress Center (GWCC) in Atlanta. It will celebrate 20 years of the US Department of Energys (DOE) Clean Cities program, which advances the nations economic, environmental and energy security by supporting local actions to reduce petroleum use in [...]The Article NGVAmerica Conference Celebrating Clean Cities Anniversary appeared first on Automotive Digest.