IMPCO Automotive has been awarded General Motors' bi-fuel compressed natural gas (CNG) cab chassis program for the 2016, 2017, and 2018 model years, the alternative fuel system supplier announced.
GM Expands Silverado/Sierra Bi-Fuel CNG Availability
The bi-fuel system automatically switches to gasoline when the CNG tank is empty, or drivers can manually switch between fuel sources while driving. The 6.0L V-8 engine features hardened valves and intake/exhaust valve seats.
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