Elon Musk To Reveal Tesla Roadster Update This Week

 
Tesla Motors CEO Elon Musk, who had an eventful 2014 designing rockets, introducing supercars and unveiling the Tesla D in October, has another surprise for his followers before the year comes to an end — an update to his company’s first electric car, Tesla Roadster. Replying to a tweet about the Roadster update, Musk said that…