Vehicles with bigger, less fuel-efficient engines will benefit more from hybrid technology, thus big pickup trucks, vans and SUVs are prime candidates for the gas-saving benefits of hybrid technology. The Chevy Silverado hybrid pickup feature GM’s 5300 Vortec V-8 and Hydra-Matic 4L60-E four-speed automatic transmission, coupled with hybrid technology that delivers 10 to 12 percent improved fuel economy over GM half-ton pickups.

It features a powerful 42-volt lead-acid battery pack underneath the rear seat, an auxiliary starter-generator between the engine and the transmission, an electronic control module, and a regenerative braking system, which charges the battery while braking, and coasting.

With an auxiliary generator capability, the truck’s generator can operate when the truck is parked without a key in the ignition. The hybrid Chevrolet Silverado and GMC Sierra pickups could power tools or appliances for up to 32 hours non-stop. This design shuts the engine down before the tank is emptied, leaving enough gas to drive to a station for refueling. All power supply circuits are protected by a ground fault detection system to prevent overloads and short circuits.

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