The company debuted its autonomous ride-hailing service Sunday. The limited program is invite-only and uses around 20 cars—signs that Tesla has a long way to go to catch up to its robotaxi rivals.

By Norihiko Shirouzu and Abhirup Roy AUSTIN (Reuters) -Texas Governor Greg Abbott, a Republican, has signed legislation requiring a state permit to operate self-driving vehicles just before Tesla's planned launch of a robotaxi trial on Sunday in Austin,

The vehicles will have safety monitors and may not operate in bad weather, making them more restricted than the fully autonomous vehicles promised by Elon Musk.