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2011 Ford Shelby GT500 Mustang gets more power, loses gas-guzzler tax

The 2011 version of the Ford Shelby GT500 Mustang carries a supercharged 5.4-liter V8 that weighs less, delivers more power and uses a unique spray-coating process that eliminates the need for cast-iron liners in the aluminum cylinder block. The 550-hp Shelby GT500 also loses something from the previous model--it's gas-guzzler tax. Ford says the new Shelby GT500 will deliver 23 mpg on the highway and 15 mpg in the city.

Nissan electric car Leaf starts retailing next year in five markets

Just days after pulling the wraps off of its prototype Leaf electric vehicle in Japan, Nissan Motor Co. says it has committed to an early launch of 5,000 sales in the United States, starting late next year. The plan will require Nissan North America to begin retailing the Leaf at U.S.

This could be your first autonomous vehicle

While Google's autonomous fleet of robot cars prowls Silicon Valley and gets all the press, the first, or one of the first, truly autonomous vehicles you may ride in could be something like this: The humble, people-moving Navia. Developed by a French company called Induct, the Navia is ringed with laser beams (not frickin' laser beams. Ed.) that help it navigate through city streets or college campuses without the aid of a track in the ground, a rail or even GPS (GPS is not accurate enough, Induct says).