The Porsche 918 RSR may be a hybrid, but it doesn't fool around. With a sleek carbon fiber body and a seriously powerful v8 engine, it is a car that loses none of its ferocity by combining some eco-friendly technology to its already formidable arsenal of awesomeness.
The most exciting trick up the Porsche 918 RSR's sleeve is an innovative gadget that lets it store up energy whenever it breaks with a 'fly-wheel booster system.' Though it just premiered at the Detroit Auto Show, the excitement to see this thing unleashed on the racetrack one day soon is literally palpable.
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