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Lamborghini Aventador LP700-4 Roadster (2013) first pictures

Lamborghini has chopped the top off the Aventador supercar to create the new 2013 LP700-4 Roadster. The big news? The loss of the Murcielago convertible's hopeless 'umbrella' soft-top, which took a couple of people 10 minutes to erect - but only after much head-scratching and swearing.

Nissan BladeGlider EV, IDx Freeflow and IDx Nismo at Tokyo Motor Show 2013

Not content with unveiling the Nismo version of its GT-R supercar at the Tokyo Motor Show, Nissan also showed three new concepts covering motorsport style, modern design and their latest dramatic electric vehicle thinking. Time to meet the triangular-shaped, three-seat BladeGlider EV, the denim-seated IDx Freeflow and the stylishly go-faster IDx Nismo. Remember a black Nissan motorsport creation called the DeltaWing that graced the 2012 Le Mans 24?

Porsche Le Mans challenger (2014) in testing

Porsche's 2014 Le Mans challenger has completed its first test today at the maker’s Weissach test track in Germany. Porsche will take on stablemate Audi and rivals Toyota in the 2014 World Endurance Championship, which sees a significant change in the regulations that may well shake up Audi’s domination of the series and its stranglehold on the Le Mans 24hrs. So what is the Porsche Le Mans car about?