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At GM, the tail fin is back--but now it's a blade

Tail fins are making a comeback at General Motors Co., although they are a far cry from the saillike appendages of the 1950s. And this time the company is calling them blades. The look, pioneered on the Chevrolet Volt to improve aerodynamics, will appear on other models to boost fuel economy, said Ed Welburn, GM's global design chief.

2012 Mercedes SL Spied

2012 Mercedes SL caught testing When the fifth generation Mercedes SL hit the headlines back in 2002 it was a revelation, offering as it did the best of a coupe and a convertible and a completely bonkers performance version in the SL55. But eight years is a long time in the life of a car – even with a cosmetic facelift in 2008 – and the SL has lost its way as the flagship of the Mercedes range. More powerful cars like the SLS have put the SL in to the shadows, and even its little brother – the Mercedes SLK – is probably more desirable.

First Sight: BMW Zagato Coupé

"I've been looking for a way to collaborate with Zagato and Nori [Norihiko Harada, Chief Designer Zagato] for around 20 years," explains Adrian van Hooydonk, Senior Vice President BMW Group Design as we stand in the shadow of the magnificent Villa Erba. "Last year at this event we had a conversation and decided that it was the right time to do something." BMW and Zagato both have history associated with the Concorso d'Eleganza Villa d'Este – Europe's most glamorous car show – yet until last weekend the two illustrious names had never crossed paths. The BMW Zagato Coupé marks the first project between the two and the first Italian-designed car to wear the blue and white propeller since the 2003 Bertone Birusa.