Volvo's ultra-light Air Motion Concept

We've been taking a closer look at some of the standout blue-sky concepts presented by the likes of Mercedes and Cadillac at the recent LA Design Challenge – here's Volvo's take on the lightweight car of the future. The clamshell-inspired Volvo Air Motion Concept Canyon Carver uses fewer and lighter components than in traditional cars and compressed air engines to achieve a weight estimated at under 1000 lbs (454 kg).