Tesla opens preorders for Solar Roofs, installations start this June in California

Elon Musk, habitually behind schedule, announced today that anyone can now preorder a Tesla Solar Roof -- a roof made of shingles with built-in solar cells. Musk had previously said preorders would open in April, and promised the product would cost less than a conventional roof, if you factor in the energy savings. But there’s no set price for a Solar Roof; Tesla released […]