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BMW's Vision EfficientDynamics concept bound for Frankfurt

BMW has revealed a radical vision for its future performance-oriented models in a spectacularly styled concept car whose combination of M3-rivaling acceleration and Mini Cooper-beating fuel economy will likely make it one of the stars of this year's Frankfurt motor show. Called Vision EfficientDynamics, the one-off coupe is a mobile showcase for lightweight construction and plug-in hybrid drive technology, while featuring a variety of futuristic styling, packaging, aerodynamic, lighting and interior ideas under development at the German carmaker's heavily cloaked FIZ development center in Munich. Many of the concepts are planned for use on upcoming BMW road cars, including an exciting Z10 EfficientDynamics range-topping model due by 2015.

Geneva motor show (2013) A-Z news and reviews

Welcome to CAR's guide to the 2013 Geneva motor show. We're bringing you news of every launch as it happens (including full details on the new 950bhp Ferrari LaFerrari and 903bhp McLaren P1) and we've gathered together all our stories on the most important new cars in this handy A-Z guide. Alfa Romeo 4CAlfa's gorgeous £50k Porsche Cayman rival Alpina BMW B3 BiTurboBMW tuner builds a turbocharged straight-six M3 Aston Martin Rapide S Aston facelifts its elegant limo, gives it extra 80bhp Aston Martin Vanquish CentenarySpecial 565bhp Vanquish celebrates Aston's 100th birthday Audi S3 SportbackAudi takes on the hot hatch crowd with 296bhp Quattro Audi RS Q3 It's the first ever SUV from Audi's RS tuning arm Bentley Continental Flying SpurBentley's fastest ever four-door packs 616bhp  Bertone RapideEver thought your Aston Rapide needed more boot space? Try this...

Rimac Concept_One Electric Supercar Salon Prive debut

The very impressive Rimac Concept_One electric hypercar, which debuted at Frankfurt 2011, is to show at Salon Prive. Now the Goodwood Festival of Speed  is over for another year, the next big petrolhead event is Salon Prive – which has been pushed back to September to avoid clashing with London 2012 – and Mate Rimac has announced his Rimac_One electric hypercar will be making its UK debut on the lawns of Syon Park. The Mitac_One, which was revealed at the Frankfurt Motor Show last year and conceived by precocious 24yr old Mate Rimac,  is a technological tour de force for electric cars, offering four electric motors – one on each wheel – which can accelerate and decelerate independently to offer true four wheel vectoring and stunning handling.