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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.

Porsche Macan S Diesel heading for the USA

Porsche Macan S Diesel (pictured) is heading for the USA When the Porsche Macan was revealed at the Los Angeles Auto Show last month, it came in three flavours – Macan S, Macan S Diesel and Macan Turbo. But only the petrol Macan S and Macan Turbo were scheduled for the US market. But that looks likely to change.

Pebble Beach bound: Delage D8S gives new meaning to elegance

In perhaps the strangest paradox of the 1930s, as the worst depression the world had ever known was putting millions of people out of work, extraordinary design flourished. Bauhaus architecture by the likes of Mies van der Rohe and LeCorbusier gave us functional homes described as "machines for living." Art deco and art moderne set new standards of interior d