Introducing e-volo 's Volocopter : multi-rotor electric helicopter makes maiden flight . Eco-friendly machine powered by 100 kg battery , can travel 70kph . Part of EU scheme looking at how personal aerial vehicles could replace cars . Score: 6
Introducing e-volo 's Volocopter : multi-rotor electric helicopter makes maiden flight . Eco-friendly machine powered by 100 kg battery , can travel 70kph . Part of EU scheme looking at how personal aerial vehicles could replace cars . Expected to be available by 2015 , would cost around $ 338,000 .