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By 
Marty Padgett, Executive Editor
General Motors has taken the wraps off its new hybrid Silverado full-size truck. The Silverado Hybrid, the company says, will be 40 percent more fuel-efficient on the EPA city cycle and 25 percent better on the highway.
The Silverado Hybrid is being shown at the 2007
On sale late in 2008, the Silverado Hybrid will come in the four-door Crew Cab body, in either rear- or four-wheel drive. Outfitted with a 6.0-liter V-8 engine and GM’s version of the two-mode hybrid system, the Silverado Hybrid will be able to run on either its electric power or its gasoline power or both. The hybrid truck will also use its electric power as an assist to its V-8 engine under heavy engine loads — in passing, towing, and climbing, for example. Cruising range will be about 500 miles, GM says.
The hybrid powertrain is also outfitted with cylinder deactivation technology, which operates in the second mode to help dampen fuel consumption. The two-mode system is expected to make its way into most of GM’s full-size truck lineup, but the basic idea is scalable to vehicles of most any size, GM says.
Dual front and curtain airbags and stability control will be standard on the Silverado Hybrid. Minor aerodynamic tweaks help the Hybrid’s fuel economy; its battery pack is located behind the rear seats.
Stay tuned for more on the Silverado Hybrid from the
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