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Chevrolet Volt visits the wind tunnel

By Ben Whitworth First Official Pictures 13 December 2007 10:00 Back in January the Volt was easily the surprise of this year’s Detroit motor show. Chevrolet reckoned its radical electric four-seater was such a breakthrough that it would transform the way we drive when it arrived in showrooms by the end of the decade. And it’s just announced that the production model will be significantly more efficient at scything through the air: the Volt has been sent to GM’s wind tunnel where Chevrolet’s aerodynamicists has smoothed off some of its blunt surfaces to create a shape that is 30 percent more effective at cutting cleanly through the air at speed than the original concept.

Win a Porsche track day and other goodies

By Tim Pollard Competitions 28 April 2008 17:25 To mark our Porsche special, CAR has teamed up with Porsche to give away an official Porsche Driving Experience to one lucky reader. You'll be offered one of the first places at the new facility being built at Silverstone in the UK. Click here for your chance to win It opens in late summer 2008 and you and a guest will spend half a day driving a 911 or other Porsche of your choice (subject to availability, but they'll do their level best to source your preferred Porsche).

Supreme Court decides police need warrant for GPS trackers

The U.S. Department of Justice just got taken down a peg by the Supreme Court in a victory for privacy advocates. The high court ruled on Monday that a law-enforcement officer affixing a GPS tracker to a person's vehicle without a warrant is in violation of the Fourth Amendment.