Concept car the helios lizard

Kim Gu-Han of Universitat Dulsburg-Essen, Germany, wants to build a solar-powered car that can charge itself entirely from the sun. The problem is the limited space for photovoltaic panels on a car�s roof. The Helios overcomes that limitation by acting like a frill-neck lizard. When stationary, the off-road vehicle can unfurl a large set of photovoltaic cells to produce enough energy to run the