The Federal Register notice exempts Zoox's purpose-built vehicle from eight FMVSS requirements written around human drivers, clearing paid rides for up to 2,500 vehicles a year.
Second-quarter results put Rivian's software and services segment at $515 million, $308 million of it from the Volkswagen Group technology joint venture.
The US Transportation Secretary ordered NHTSA to accelerate national AV performance standards, update ten federal safety rules and streamline exemptions.
FSD (Supervised) active users grew 56 percent quarter over quarter to 1.48 million, with annualized subscription revenue reaching roughly $791 million.