The ride-hailing app said the pilot would be the first of its kind for the company, as it allow users to take Uber rides without a safety driver present.
The auto industry has been hit particularly hard by China's rare earth export restrictions, but analysts warn Western defense giants are also vulnerable.
In one photo, at least five Waymo robotaxis can be seen engulfed in flames, with anti-Immigration and Customs Enforcement graffiti scrawled on the doors.
Used vehicle prices last month eased from a recent high in April as consumers who needed a vehicle but feared price hikes due to tariffs purchased one quickly.