Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

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.

Jaguar XE full price & specs revealed – costs from £26,995 to £44,870

Jaguar XE full price & specs revealed – costs from £26,995 to £44,870 The new Jaguar XE had a glitzy London launch last month, but all we really got was the XE S; the lesser models were kept under wraps until the Paris Motor Show debut. But now that’s upon us we get full UK specs and prices for a car that will be the make or break of Jaguar, certainly in terms of becoming a real challenger to the German triumvirate and moving from niche maker to proper global player in the Premium market. And Jaguar are obviously feeling pretty bullish about the XE, because instead of offering it at a discount to their main challenger – the BMW 3-Series – they’ve actually come in at a bit of a premium.

WRC Mini Concept (2010) first official pictures

While the Mini Countryman might be destined for suburban mumsville, BMW has confirmed the new model will also terrorise the countryside in the form of the WRC Mini from 2011, with IRC champ Kris Meeke at the wheel. Officially launched at the 2010 Paris motor show in concept guise, the WRC Mini will be engineered and run by motorsport doyen Dave Richards and his Prodrive outfit, although customer packages will be available too, allowing independents to compete in the car. Not so much – this is no time for misty-eyed Paddy Hopkirk odes.