Porsche introduces 918 Spyder plug-in hybrid sports car
Green Car Congress
MAY 16, 2013
Combined system power is 887 hp (661 kW). It is based on knowledge gained by Porsche during motor races with the 911 GT3 R flywheel Hybrid ( earlier post ). liter V8 derived directly from the power unit of the successful RS Spyder. Weight and performance optimizations achieve a power output per liter of approx.
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