June 22 (UPI) -- Tesla will begin its launch of robotic taxis in Austin, Texas, on Sunday afternoon, Elon Musk announced. "The @Tesla_AI robotaxi launch begins in Austin this afternoon with customers paying a $4.20 flat fee!" Musk said in a post on social media.

Tesla CEO Elon Musk said the company’s “robotaxi launch” would begin Sunday afternoon with customers paying a flat fee of $4.20, as the electric vehicle maker looks to roll out the much-anticipated service and gain a foothold in the self-driving technology race.