GM Announces Bi-Fuel Chevrolet Silverado and GMC Sierra 2500 HDs
Posted by Mark Williams | March 4, 2012
GM announced today a bi-fuel version of the 2013 Chevrolet Silverado and GMC Sierra 2500 HDs that can run either on regular gas or compressed natural gas.
The extended cab is powered by a 6.0-liter V-8 that makes the same horsepower and torque as you'd find in the base model with "a minimal loss" with CNG, said Mike Jones, GM's CNG product manager. The pickup will be available in long- and short-bed versions and two- and four-wheel drive.
The engine initially runs on gas, then automatically switches over to CNG once an optimum temperature is reached. When the CNG runs out, the engine transitions back to gas. A dashboard switch allows the driver to manually control which fuel is being used, Jones said.
The combination of the 17-gallon CNG tank and the standard 36-gallon gas tank provide more than 650 miles of range, GM says. When running on regular gas, the bifuel pickup should achieve the same gas mileage. Jones did not give exact fuel economy ratings when the system is running on CNG but we would guess, like most CNG powertrains, it will be a little less than gasoline.
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Source: PickupTrucks.com