Rare photos and video of a Tesla Model 3 prototype surface online

When Elon Musk unveiled the Model 3 nearly a year ago, he made a point of noting that the final design was still a work in progress. And with good reason, the Model 3 we saw last March has a curiously absent instrument cluster, not to mention some problems with the vehicle's trunk design.Since then, Tesla engineers and designers have been busy refining and enhancing the company's highly anticipated EV. With deliveries still slated to begin by the end of the year, there have been reports tha