2015 GM HD Truck Bi-Fuel CNG Option Priced at $9,500 By Stephen Elmer Apr 15 2014 Share this Article Tweet Compressed natural gas (CNG) makes a lot of sense for those that do a lot of miles in a year, especially for truckers. Continue Reading... Filed under: American Chevrolet Featured Articles GMC TrucksTags: Chevy HDs, cng, CNG trucks, GMC Sierra HD, GMC Sierra HDs
