Tesla Roadster 3.0

With battery-electric cars now on the market for five years, and perhaps 200,000 on U.S. roads, we now know more about how the cars and their drivers behave in the real world than we did when they first arrived. One learning is that an undercurrent among some electric-car buyers that suggests they...

Electric-car maker Tesla Motors has a lot on its hands right now, with deliveries of its Model X electric SUV at the end of the month, a battery gigafactory under construction, a mass-priced electric car to unveil next spring, and so forth. So it's encouraging to learn that the company is now...