I’ve driven a number of CNG vehicles over the years and I must say this was one of the most seamless bi-fuel transitions I have experienced, segueing from CNG to gasoline and back all with a simple flip of a switch — while you are driving.
GM's Bi-Fuel CNG Chevrolet Silverado 2500HD
General Motors is offering a bi-fuel CNG option on several 2015 Chevrolet Silverado 2500HD and 3500HD models. Read our driving impressions of the 2015 Bi-Fuel Silverado 2500 here. Photos by Vince Taroc.