Why Elon Musk’s Cybercab promises leave plenty of room for doubt

Tesla introduced the long-awaited Cybercab Robotaxi at its flashy We, Robot event on October 10—which was aptly set in Hollywood, California. The two-scissor-door, two-passenger vehicle features no steering wheel or pedals for fully autonomous use, and it was announced along with a 20-person shuttle called the Robovan. According to Musk, they will use full autonomous driving to take you to your destination, after you hail them with a yet-to-be disclosed app. Musk said that he...