SolarCity roof How do you make a dent in the energy market? SolarCity is likely one of the few companies that has a good idea of how to answer that question, and one part of its plan includes replacing the roofs of 5 million U.S. homes with solar cells, according to The Guardian. It’s a plan that SolarCity board chairman Elon Musk first tipped on a conference call last month, but now we have a bit… Read More