Who said green cars can’t be mean? Not Porsche. On the eve of the Geneva Auto Show, the Stuttgart-based company took the wraps off the 918 Spyder Concept, a 2-seat mid-engine supercar with hybrid and electric drive technology.

Just how fast is this thing? Well, Porsche says the 918 Spyder Concept hits 100 km/h (62 mph) in less than 3.2 seconds, and it blasts to a top speed of 198 mph. Not only that, it laps the Nürburgring in less than 7 minutes 30 seconds, which means it’s even faster than the hallowed Carerra GT.

Just how green is it? Porsche says that, when driven accordingly, the plug-in hybrid 918 Spyder Concept gets an outstanding 78 mpg, with an emissions level of just 70 grams of C02 per kilometer.

The 918 Spyder Concept is powered by a high-revving V-8 related to the 3.4-liter in the Porsche RS Spyder racing car. In 918 Spyder form, this mid-mounted engine revs to 9200 rpm and produces more than 500 bhp. Electric motors at the front and rear axles add an additional 218 horsepower to the output. The V-8’s power, and that of the rear electric motor, reaches the Spyder Concept’s rear wheels via a 7-speed PDK gearbox. The drive to the front wheels is pure electric, via a fixed ratio. The liquid-cooled lithium-ion battery pack behind the cockpit can be charged at home, or by brake regeneration.

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Source: http://autos.yahoo.com/

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