A classic hardware startup, Naware set out with a problem -- kill weeds without chemicals -- and relentlessly tinkered until they found a solution.

The company also said its robotaxis navigated more than 7,000 dark stoplights successfully on Saturday.

Tory Bruno's abrupt departure comes after 12 years in the role. The company, a Boeing-Lockheed Martin joint venture, has had to fight to keep pace with Elon Musk's SpaceX.