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BMW Vision Efficient Dynamics (2009) teaser video

By Ben Pulman First Official Pictures 28 August 2009 12:49 BMW has launched a teaser video for the Vision EfficientDynamics sports car concept that it will unveil at the 2009 Frankfurt motor show – and we've today published a new (sadly teaser again) photo of the green coupé from our friends over at IAAblog.com Not a lot until the final few sequences when we get to see the rear of this eco-friendly concept car. It shows the back of the sports car with F1-inspired winglets and other body addendum, plus external rear lights. BMW announced the car at the same time it confirmed its withdrawal from F1, claiming the concept would ‘demonstrate how efficient a sports car can be’ and that it ‘will also prove that sustainability does not apply to the drive train alone, but to design and materials as well.’ There’s been no hint from Munich on the powertrain, but in line with the other cars BMW will reveal (the X6 and 7-series ActiveHybrids) the Vision EfficientDynamics concept will almost certainly feature hybrid drive.

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.

Citroen Survolt (2010) at the Geneva motor show

Citroen had a genuine surprise at the 2010 Geneva motor show – the sleek Survolt sports car concept. Well, the pair shared the same rotating plinth on Citroen’s stand but that’s about it. Whereas the Revolte concept (revealed at the 2009 Frankfurt motor show) was a plug-in hybrid supermini, the Survolt is an all-electric sports car.