Hybrid Vehicle
The Tahoe made its hybrid electric debut in fall 2007. In January, 2008, starting price was US$50,540. The starting price of the 2009 model was increased to US$51,405.
The Chevrolet Tahoe Hybrid uses a combination of its dual displacement 3.0/6.0 L V8 engine and two 60 kW (80 hp) (continuous) electric motors that charge a 300-volt nickel-metal hydride battery. The vehicle can run on either gasoline, electricity or a mixture of the two using automatic Two-Mode Hybrid system that monitors the vehicle's torque, and state of the battery to choose the most efficient source of power. The battery is charged either directly by generating electricity through driving one or both electric motors using the gasoline engine (while the vehicle is coasting or being driven by the gasoline engine), or by the wheels driving one or both electric motors through what is called "Regenerative braking" when the vehicle is decelerating, thus regaining some of the energy invested in forward momentum. The Tahoe is considered a strong or full hybrid, in that it can run entirely on the battery (for a limited range) at low speeds. In city driving, the EPA rating of fuel consumption for the 2WD version of the hybrid is 21 mpg (11 L/100 km; 25 mpg). In comparison, non-hybrid varieties of the Tahoe are rated no higher than 15 mpg (16 L/100 km; 18 mpg) in city driving. In highway driving, the EPA rating is 22 mpg (11 L/100 km; 26 mpg).
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