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Audi RS5 TDI Concept gets electric turbo and 380bhp

The Audi RS5 TDI Concept (pictured) gets an electric turbo It’s two years since Audi revealed it was working on an electric turbo to be used in a twin-turbo setup, with the electric turbo able to offer boost pressure from much lower down the rev range than a normal turbo. That has turned in to the Audi RS5 TDI Concept, where Audi has replaced the normal RS5‘s V8 with a 3.0 litre TDI engine with a small electric turbo for low rev work and a bigger turbo to do the higher rev stuff. The electric turbo works from the off to provide maximum torque of 553lb/ft from just 1250rpm, before the bigger normal turbo takes over at 3,000rpm to continue the boost.

Paris motor show 2010 A-Z review: all the new cars

Paris motor show 2010 video reviewGavin Green's Paris show blogThe CAR Live Blog - the show in real-timeMondial de l'Automobile: reader's blogFull A-Z of every new car at Paris Welcome to CAR Online's guide to the 2010 Paris motor show. International media day is on Thursday 30 September – and the CAR team is heading out to Paris at the Mondial de l'Automobile, bringing you news of every launch as it happens. We’ll be blogging live from the international press day, so make sure you tune in for details of all the new metal, plus press conferences, photos, videos, reviews and much more from the 2010 Paris motor show.

GM's Ed Welburn walks Jay Leno through the Elmiraj concept's design [w/Video]

General Motors' vice president Global Design Ed Welburn stars in the latest of the 'Jay Leno's Garage' YouTube series, running the talk-show host through some of the new Cadillac Elmiraj concept's design features and what it means for the brand's future. We get a look at all the classic Cadillac design cues such as the vertical headlamps and tail lamps as well as the central hard crease that Welburn says is "important in every Cadillac". Leno and Welburn then move onto the Elmiraj's features, such as the large doors' integrated handles and the slimmer A-pillars before a more in-depth look at one of the concept's most striking features – the grille.