GM introduces CNG bi-fuel Chevrolet Silverado and GMC Sierra pickups
Green Car Congress
MARCH 5, 2012
Bi-fuel Chevrolet Silverado. 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. V8 engine that seamlessly transitions between CNG and gasoline fuel systems. Click to enlarge. The vehicles feature a CNG-capable Vortec 6.0L
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