The cars of tomorrow will listen, talk, entertain, protect, get energy from the sun and even drive themselves. Not all carmakers plan to take the same road, though, and some face more potholes than other.
Automotive - News, Features, and Slideshows
Automobile technology has become so advanced that today's cars are essentially computers with wheels. So why aren't we using them to surf the Web, communicate with other cars or order food at nearby restaurants?