Porsche 918 Spyder offers 718 horsepower, zero to 62 in 3.2 seconds, and 78 mpg

A plug-in hybrid sports car with more than 700 horsepower that also gets 78 mpg? It’s real enough, though there is some smoke and mirrors in the performance figures. And not only did Porsche build it in just seven months, but it’s quite likely to put it on the market. The car is the 918 Spyder, which debuted at the Geneva Auto Show last week, and it can travel 15.5 miles on its lithium-ion