Colo., Okla., Pa., Wyo. Push for Natural-Gas Cars

ENGLEWOOD, CO November 2, 2011 (Associated Press/ABC News)The governors of Colorado, Oklahoma, Pennsylvania and Wyoming are teaming up to encourage U.S. automakers to develop affordable vehicles that run on natural gas, a valuable resource in each of their states.

Their plan is to start replacing thousands of vehicles in their state fleets with ones that run on natural gas, in turn driving demand for more filling stations and cars that run on alternative fuel, according to a memorandum of understanding the governors signed Wednesday.

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