As the calendar turns to June, many people are focused on a key event that Elon Musk has been touting all year: the Tesla (TSLA) robotaxi rollout. After a volatile and complicated start to the year, marked by a disappointing earnings report and declining sales across multiple key markets,

Tesla has been testing its robotaxis without a human driver for several days, and the service should roll out to customers next month, CEO Elon Musk says.

The EV maker will roll out about 10 self-driving cars next month and scale up to about a thousand, Musk told CNBC in an interview.