Musk, who also runs SpaceX and a number of other companies, has been known to make big often exaggerated promises. For example, he once called the Hyperloop, which was never built, the "fifth mode of transport" and famously promised to take Tesla private in a Twitter post, saying he had secured financing that he didn't have.

Elon Musk had a lot to say about Tesla’s upcoming Robotaxi service on Wednesday. Robotaxi will be coming to Austin and other cities later this year, Musk claims.

Tesla CEO Elon Musk plans to launch unsupervised driverless vehicles in a Texas city this summer, and more may be coming to other U.S. cities by the end of the year. As promised during his showcase event last year,