US probes Amazon's robotaxi unit Zoox after 2 rear-end crashes

SAN FRANCISCO, California: After two of its vehicles were rear-ended by motorcyclists after breaking suddenly, Amazon's self-driving robotaxi unit is being investigated by the National Highway Traffic Safety Administration (NHTSA).

Both crashes, one in San Francisco and the other in Spring Valley, Nevada, involved Toyota Highlander SUVs using autonomous driving technology.

In documents posted on its websi