The average american spends weeks each year in a car. It's no wonder we're demanding smarter, safer, and more entertaining automobiles. Yet for all the billions spent on development, the fusion-powered flying cars of science-fiction movies have stubbornly failed to appear. Cars still run on rubber tires powered by the same gas-powered, environment-unfriendly engines. But are cars really as primitive as all that? A look at the higher-end machines now reaching the street shows that, in fact, Detroit, Munich, and Tokyo are embracing technology to improve the driving experience and the car's underlying mechanical functions....

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http://www.pcmag.com/article2/0,1895,1952862,00.asp