Natural gas drillers target US truck, bus market

Associated Press
Natural gas drillers target US truck, bus market

In this Nov. 19, 2012 photo, Waste Management driver Alan Sadler fills his truck with CNG gas at the company's filling station in Washington, Pa. Years from now, motorists needing a fill-up might see natural gas pumps sharing space at the neighborhood filling station with ones dispensing gasoline and diesel. (AP Photo/Gene J. Puskar)

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