NRG Energy Inc (NRG), Duke Energy Corp (DUK), Tesla Motors Inc (TSLA): The Future of Electric Energy

http://www.insidermonkey.com/blog/nrg-energy-inc-nrg-duke-energy-corp-duk-tesla-motors-inc-tsla-the-future-of-electric-energy-221719/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+InsiderMonkey+%28Insider+Monkey%29