We tested Tesla's Full Self-Driving and Waymo's robotaxi in San Francisco. We were shocked by one move Tesla's FSD made.

While the study was authored by Waymo engineers, it's set to be published in the journal Traffic Injury Prevention, which means it's been peer-reviewed by the scientific community for its methods.

If you want people to embrace driverless vehicles, tell them that they can be used as four-wheeled motel rooms ...

but its limited ability to handle all types of traffic scenarios and weather conditions means it will likely be some time before regulators grant companies like Waymo broader operational freedoms.