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Porsche unveils 918 Spyder green supercar concept
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German carmaker Porsche has unveiled the prototype of a futuristic hybrid supercar during the 2010 Geneva Motor Show, which is said to be able to reach 100km/h in just 3.2 seconds while emitting only a fraction of the carbon put out by most sports cars.
The 918 Spyder concept combines an internal combustion engine with electric propulsion, significantly slashing the amount of greenhouse gasses the car emits.
Porsche claims the car has a top speed of 320 km/h but uses just three litres of fuel for every 100 kilometres (94 miles per gallon).
The German automaker claims the Spyder emits an average of just 70 grammes of carbon dioxide. Conventional supercars usually emit between 400g and 500g of carbon per kilometre.
The open two-seater boasts a high-performace V8 engine with more than 500 brake horse power and a maximum engine speed of 9,200 rpm. Also, it has electric motors on the front and rear axle, which are powered by a fluid-cooled lithium-ion battery rechargeable at ordinary power points.
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