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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.

Infiniti prices the 2012 QX and EX

Infiniti is sticking with 2011-model-year prices for the 2012 QX luxury SUV, hoping to maintain a positive sales response since last year's redesign. Meanwhile, the 2012 Infiniti EX crossover models will have higher stickers across the board, with sporty rear-wheel-drive models starting at about $1,000 more for 2012. The base rear-wheel-drive, V8-powered Infiniti QX56 with seven-speed automatic transmission starts at $59,690, including destination.

Aston Martin Hybrid Hydrogen Rapide S racer (2013) first pictures

Aston Martin will race this hydrogen-powered, twin-turbocharged Rapide S at the Nurburgring 24 hour endurance race in May 2013. The radical Rapide is set to become the first hydrogen-powered car to compete in an international racing event, and the only car ever to complete a racing lap of the infamous Nordschleife without emitting so much as a gram of carbon dioxide. Read on for the under-the-skin tech lowdown.