As part of the move, the National Highway Traffic Safety Administration closed a 2023 probe into Zoox's self-certification process.

The National Highway Traffic Safety Administration has given Zoox an exemption to demonstrate its custom-built robotaxis on public roads and closed a related investigation into whether the Amazon-owned company had sidestepped federal regulations.

Zoox secures NHTSA exemption to launch its steering wheel-free robotaxis, paving the way for autonomous ride services in major U.S. cities this year.