That race will debut a new set of rules by the race organizers, the Automobile Club de l'Ouest, and it will see many of the world's great car makers competing with advanced hybrid prototype sports cars.

WSJ: Porsche GT3 R Hybrid; 2012 Porsche 911 S: Porsche Blasts Hybrids Into a New Stratosphere | Rumble Seat by Dan Neil

Car makers have already begun rolling out some of the features found on these prototype net-mobiles.

ECONOMIST: Wired cars