American car companies are moving ahead with a plan to produce natural gas powered cars and trucks for public fleets in state-sponsored efforts to create a wider public market for the vehicles.

Representatives of the Big Three carmakers, and Honda, as well as auto dealers and companies that convert conventional engines to run on compressed natural gas, met with leaders of a consortium of states in Oklahoma City this month to discuss a request for proposal that has been issued by the states to the car makers. Keep reading →