GMC Sierra and Chevrolet Silverado Hybrid Pickup Trucks Deliver Fuel Economy

Working on the theory that saving fuel is most important in the vehicles that consume the most, General Motors has introduced the GMC Sierra and Chevrolet Silverado hybrid pickup trucks.Already out in Yukon and Tahoe SUVs, the two-mode hybrid was developed in a joint venture with Chrysler and BMW. The idea came about as a scaled-down version of GM�s hybrid bus drive train and is especially