Here's what we know about Tesla's mysterious 'D'

Last week, Tesla founder Elon Musk sent out a cryptic tweet about unveiling the ‘D’ on October 9. Since then, there’s been a flurry of speculation and hints about what Musk will unveil. Here’s a list of what we know so far: Tesla Motor Club member Adelman posted a picture of the back end of a Tesla S with new […]