To solve the poor economic and dynamic performance at high engine speed, a new crank shaft mechanism of air powered engine was proposed.

为解决高转速下动力与经济性能的下降，提出一种新的气动发动机曲轴连杆机构。

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The 918 Spyder will be powered by a unique plug-in hybrid system that will include a high-revving, mid-mounted V8 engine with capacity of more than 4.0 liters and producing at least 500 horsepower.

ENGADGET: Porsche opens 918 Spyder plug-in supercar pre-orders, $845,000 gets you a ticket to ride