• Image Credit: General Motors
  • Image Credit: General Motors
  • Image Credit: General Motors
General Motors is broadening its inventory of compressed natural gas (CNG) vehicles with the addition of two CNG passenger-van models for the 2014 model year. GM is also upgrading its two bi-fuel pickup lines for 2015.

GM already has a CNG option available for its cargo vans and will now offer that option in the 2014 Chevrolet Express and GMC Savana passenger vans. Both of those models will have a roughly 200-mile driving range with a full tank of CNG. For the 2015 model year, both the Chevrolet Silverado and GMC Sierra will be available with a dual-tank feature that allows the driver to switch back and forth between gasoline and CNG. All four of the models have 6.0-liter V8 engines and will start production early next year.

GM first added the bi-fuel option for the Silverado and Sierra pickups last year, putting a price tag of approximately $11,000 on the option. The automaker argued at the time that owners of trucks with the bi-fuel option could save as much as $10,000 over three years because of gas price fluctuations and lower CNG costs. According to the US Department of Energy, there are about 1,200 public and private CNG filling stations in the country, compared to almost 20,000 plug-in vehicle charging stations and 53 H2 stations. Check out GM's press release below.

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