Germany Gives All-Electric Rotorcraft a Lift

When you are developing an entirely new type of flying machine, you need a little help from the regulatory authorities responsible for deciding what can be flown when, where and by whom. Germany's E-volo, which is developing the first purely electrically powered vertical take-off and landing (VTOL) aircraft - the Volocopter - is getting just that kind of help from the country's Federal Ministry...