March 11, 2012 2013 GMC and Chevrolet Bi-Fuel Pickups announced Edit Delete Tags Autopost The Vortec 6.0-liter V8 engine is able to transition between the compressed natural gas (CNG) and regular gasoline and can complete up to 650 miles on a single tank. Source: http://feeds.worldcarfans.com/~r/worldcarfans/Jxfz/~3/Lp4pLc_Oq_E/2013-gmc-and-chevrolet-bi-fuel-pickups-announcedAllen Berg Georges Berger Gerhard Berger Eric Bernard Enrique Bernoldi