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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.

Mercedes-Benz A-class gets the AMG treatment

Mercedes-Benz has confirmed limited details about its most affordable performance model to date, the A45 AMG. Set to go on sale in Europe in early 2013, the rival to the Audi RS3 and the BMW M135i sits at the top of the third-generation A-class lineup. The price, although not yet officially revealed, is expected to start at about 50,000 euros, or $62,400 at current exchange rates).

ANALYSIS: The incredible shrinking Alfa stand at the Geneva motor show

When he talks, Fiat CEO Sergio Marchionne conveys high hopes that the Alfa Romeo brand soon will be a huge business success, but actions often speak louder than words. Fiat has massively reduced the size of the 100-year-old sporty brand's stand at the forthcoming Geneva show. In March, Alfa's stand will shrink to 639 square meters from this year's 979 square meters, which was the second-largest display space among Fiat Group's portfolio after the Fiat brand.