The truck divisions of Chevrolet and GMC today released details for the new 2013 bi-fuel Silverado and Sierra 2500 HD pickups that fleet and retail customers can begin ordering soon.

Based on extended cab chassis models at launch, the new bi-fuel trucks will be powered by a compressed natural gas (CNG) capable 6.0-liter V-8 Vortec engine that can transition between the clean-burning fuel and gasoline.

GM is boasting a range of more than 650 miles from the new bi-fuel trucks and the new models will be available in standard and long box lengths in two- or four-wheel drive.

“The bi-fuel Chevy Silverado and GMC Sierra provide customers with choices in advanced propulsion technology, and because CNG is a clean-burning, domestically produced fuel, it has wide appeal, “said Ed Peper, general manager, GM Fleet and Commercial Operations. “The addition of a full-size bi-fuel pickup truck to GM’s fleet portfolio is another milestone in putting the customer first in everything we do – by offering great products, innovative solutions and a great customer experience.”

Once the bi-fuel trucks roll off the assembly line they will be sent to supplier Tier One for the addition of the new fuel system and then the completed vehicle is delivered to the customer.

The new powertrain will be covered by GM’s five-year/100,000-mile limited powertrain warranty and vehicle emissions warranty and meets all EPA and CARB emission certification requirements.