If you've been considering a bi-fuel CNG truck but have held off because of the high initial purchase price, the affordability factor has improved for the 2015 Chevrolet Silverado and GMC Sierra HD models. The price for the bi-fuel CNG package has decreased from $11,000 to $9,500 for the ’15 models.

The price drop of $1,500 is significant but still makes the CNG option more expensive than the Duramax diesel and mandatory Allison transmission, which together are a $8,395 option. But natural gas remains significantly cheaper than gasoline or diesel on a gallon-equivalent basis in most parts of the country, and for fleets that have access to CNG filling at a central yard, the savings could be even greater.

Venchurs Vehicle Systems, a qualified vehicle modifier for Ford, announced a price cut on its bi-fuel CNG package for the F-250, from $10,900 to $8,350, thanks to a new composite CNG tank from 3M, making the cost equation even more favorable for CNG.

The 2015 Chevrolet Express and GMC Savana vans are available from the factory with a dedicated full CNG conversion, with prices ranging from $10,825 for a three-tank system, and $12,090 for a four-tank system, unchanged from 2014 models.

Source: General Motors