The future of natural gas vehicles is currently being driven by adoption in the corporate sector, as companies that operate large fleets are purchasing these vehicles right and left to cut costs and reduce emissions. In this video, Fool.com contributor Aimee Duffy talks about the similar actions state and city governments are taking, and how it can affect our investments.

Fool contributor Aimee Duffy owns shares of Ford. Fool contributor Tyler Crowe owns shares of Westport Innovations. For more energy information, follow them on Twitter @TMFDuffy and @TylerCroweFool.

The Motley Fool recommends Clean Energy Fuels, Ford, General Motors, and Westport Innovations. The Motley Fool owns shares of Ford, General Electric Company, and Westport Innovations. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.