NHTSA Administrator Jonathan Morrison told Reuters exclusively that Zoox had received clearance to commercially deploy up to 2,500 vehicles in each of the next two years. Advertisement AdvertisementAdvertisement Advertisement"We have the ability to pull the exemption if we see major safety issues," Morrison said. The exemption would allow Zoox to ​charge them fees, subject to state and local approvals. Advertisement AdvertisementAdvertisement AdvertisementTesla has started producing a Cybercab that lacks human controls, but it has not outlined its path for regulatory approvals. Following the letter, Zoox recalled its ​fleet of 105 autonomous vehicles to update ‌the software, saying they might not detect heavy smoke, particularly in active emergencies.