Lamborghini Aventador J at 2012 Geneva motor show

There maybe other Italian sports car manufacturers looking to hog the limelight at the 2012 Geneva motor show (and Ferrari and its 730bhp F12 is one of them) but Lamborghini will vie for attention with the Aventador J. A two-seat, open top speedster based on the Aventador LP700-4, it has some intriguing bits of carbonfibre tech and highly individual design. Named 'J' after the FIA’s Appendix J that governs the tech spec of race cars in certain classes, it’s proper bedroom wall material – but little boys and girls are unlikely to ever see it on the road as it’s a one-off and will go to a lucky owner after its appearance at Geneva.

Explosion at GM Tech Center; lithium battery is the suspected cause

According to WWJ CBS Detroit, there was an explosion at the General Motors Tech Center in Warren, Mich., on Wednesday morning. Deputy Fire Chief Gary Wilkinson said the explosion most likely was related to a lithium battery. Wilkinson told Autoweek that a responder notified the HAZMAT team via radio that the explosion involved lithium batteries in the research facility's Alternative Energy Center.

Citroen DS4 est arrivée!

The Citroen DS4 gets revealed ahead of the Paris Motor Show We’ve been trailing the arrival of the next in the line of Citroen’s upmarket DS range – the Citroen DS4 – for more than a year. And Citroen showed us how close the next instalment in the modern DS story was with the Citroen High Rider Concept at this year’s Geneva Motor Show. But now it’s here.