Apple registers Apple.Car and Apple.Auto domain name URLs through their agent MarkMonitor Inc. It is a normal process for Apple to book any domain names related to a potential future product for the commercial purpose. Rumors said Apple is secretly developing its own car under the name Project Titan after there are a lot of talented people in related industries being hired by Apple.
Although Tesla said Apple hired the underperformance engineers from Tesla, there are rumors said that both companies are actually working together to come out with a new car which combine both expertise. Apple is expert keeping its mouth shut and up until now, nobody from the Project Titan leaked any information.