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Renault Twizy gets the Formula One treatment

Renault has applied the state-of-the-art kinetic energy recovery system (KERS) used in its Formula One drivelines to the pint-sized Twizy electric car. The result? A new zero-emission concept whose claimed 0-62-mph acceleration time matches that of the French carmaker's fastest production car, the RenaultSport Megane 265, at 6.0 seconds.

Porsche's new '911': the Cayenne fire engine

By Nick Eaton First Official Pictures 10 September 2008 10:13 Another day, another Porsche variant. Stuttgart's fire department has taken delivery of two red-hot Cayennes with a difference: they're emergency vehicles which have been specially tweaked by Porsche's Training Centre for the city's firemen. The Stuttgart fire service claims that the hilly topography of the city meant it needed all-terrain emergency vehicles, and the project was given to local firm Porsche because the Cayenne served up the firemen's needs for something that can go anywhere fast. Nothing at all with them wanting to arrive in style or make neeh-naah noises in a Porsche.

Paris motor show (2012) A-Z news and reviews

This year's Paris motor show kicks off on 27 September, with world debuts for some of the most important cars around, including the new Mk7 VW Golf, Range Rover, and McLaren P1 supercar. We've rounded up all of the cars on one page to provide shortcuts to our full stories. Come back for more news from the Mondial de l'automobile 2012 in Paris.