Introducing e-volo 's Volocopter : multi-rotor electric helicopter makes maiden flight . Then there 's the other e-volo founders -- Thomas Senkal , a former physicist , and Alexander Zosel , who managed a disco for almost 10 years , who also got on board the pioneering project . Eco-friendly machine powered by just 300 kilograms battery , can travel two . Part of The European Union scheme looking at how personal aerial vehicles could replace cars . Expected to be available by Two years ago , would cost $ 5.4 million .
Introducing e-volo 's Volocopter : multi-rotor electric helicopter makes maiden flight . Eco-friendly machine powered by just 300 kilograms battery , can travel two . Part of The European Union scheme looking at how personal aerial vehicles could replace cars . Expected to be available by Two years ago , would cost $ 5.4 million .