We'll be frank: the 420-horsepower, V8-powered 2008 BMW M3 Coupe is by no means a "green" vehicle in the traditional sense. That said, the ultimate 3-Series Bimmer does leverage technology that's traditionally associated with hybrid vehicles. We're talking about regenerative braking, which is one of the features the M3 uses to maximize its engine efficiency. Braking generates the power for the BMW's onboard network and also recharges the car's battery without having to tap into the energy stored
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