Elon Musk’s Powerwall Would Take Almost 40 Years To Pay For Itself
Elon Musk’s Powerwall Would Take Almost 40 Years To Pay For ItselfAndrew FollettEnergy and Environmental Reporter Tesla Motors CEO Elon Musk reveals a Tesla Energy battery for businesses and utility companies during an event in Hawthorne, California April 30, 2015. Tesla Motors Inc unveiled Tesla Energy - a suite…