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Lamborghini's sixth Paris 2010 teaser photo

It's a shot of an exhaust pipe, which exits the concept car just below the support for the rear wing. We've now seen all six images, and they've shown everything from vents in the bonnet to stylish flourishes atop the V10 engine, plus glimpses of the interior and what appears to be a carbonfibre wheel. The concept car is expected to be almost completely carbonfibre, very light and Gallardo-powered.  Why is Lamborghini showing such a car?

Infographic: How much clay do Ford’s design studios use each year?

Ford has offered an insight into its clay modeling processes with a series of videos and an infographic that charts the process involved in turning a designer's sketch into a full-size model. The infographic uses data taken from all of Ford's global design studios in 2012 to give an idea of how much clay is used in a year, plus how much paint and di-noc film is used to cover each model. Ford has also released a video that gives a behind-the-scenes look at the firm's clay modeling studio in Merkenich, Germany, including interviews with members of the modeling team.

2013 Mazda 3, 2014 Mazda CX-5 earn 'Top Safety Pick' rating

Mazda announced Wednesday that the 2013 Mazda 3 and the 2014 Mazda CX-5 have both earned “good” ratings from the Insurance Institute for Highway Safety. To achieve the overall “good” rating, the vehicles had to perform well in each of the following crash-test categories: frontal moderate overlap, side, rear impact and roof strength. “The Mazda 3 and the CX-5 are two very important vehicles for Mazda and our customers,” said Jim O'Sullivan, president and CEO, Mazda North American Operations (MNAO).