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GM introduces CNG bi-fuel Chevrolet Silverado and GMC Sierra pickups

Green Car Congress

General Motors is introducing compressed natural gas (CNG) bi-fuel versions of the 2013 Chevrolet Silverado and GMC Sierra 2500 HD extended cab pickup trucks. The Silverado and Sierra will be available in standard and long box, with either two- or four-wheel drive. Bi-fuel Chevrolet Silverado. Click to enlarge.

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