Green Car Congress

OCTOBER 2, 2013

Chevrolet and GMC will offer new bi-fuel versions of the 2015 Chevrolet Silverado and GMC Sierra heavy-duty trucks and all-new dedicated compressed natural gas versions of the 2014 Chevrolet Express and GMC Savana full-size passenger vans next year. The system automatically switches to gasoline when the CNG tank is depleted.

GMC 297

GMC Chevrolet Sierra Silverado 297

Green Car Congress

JULY 14, 2014

View of the CNG tank in the bed of a Silverado 2500HD with bi-fuel option. In the case of the 2500HD bi-fuel, the two main trade-offs are a reduction in power and torque in CNG mode compared to gasoline mode, and the loss of a portion of the bed of the truck to the 3,600 psi CNG tank and its box-like enclosure. (It CNG vs gasoline.

Silverado 247

Silverado Chevrolet Fuel Gasoline-Electric 247

Green Car Congress

APRIL 15, 2014

Bi-fuel options, allowing either compressed natural gas or gasoline to power the 2015 Chevrolet Silverado and GMC Sierra 2500HD and 3500HD pickups, will start at $9,500. The bi-fuel CNG option will be available on all 2015 Silverado and Sierra 2500HD and 3500HD single-rear-wheel models.

GMC 186

GMC Chevrolet Sierra Silverado 186