Some articles on volacom:

JB Straubel - Biography
... Prior to Tesla Motors, Straubel was the CTO and co-founder of Volacom along with Harold Rosen ... Volacom worked closely with Burt Rutan at Scaled Composites to design a specialized high-altitude aircraft platform using a novel hydrogen-powered electric ... At Volacom, Straubel co-invented and patented the new long-endurance hybrid propulsion concept that was later licensed to Boeing ...