Khosla backs Four Lesser-Known Green Car Companies

Former Kliener Perkins honcho Vinod Khosla is revving up his Khosla Ventures investments into batteries, alternate energy sources and well, four less known green car companies. See if you know these names or if they ring a bell with you: Sakti3, Firefly Energy, Ramu and Tula. (read full story at: earth2tech.com)