The future supposedly belongs to e-cars. But what about planes? German company Lange Aviation is already working on a further technological revolution. Axel Lange's firm produces sailplanes powered by electric engines. They're probably no alternative to conventional aircraft engines, but special aircraft could benefit from the new technology. A report by Christian Pricelius.
More Made in Germany: http://www.dw.de/made-in-germany-the-business-magazine-2015-01-06/e-18130315-9798
