Zoox grounds Atlanta test fleet after workers report toxic gas exposure

Zoox has paused autonomous vehicle testing in Atlanta after safety drivers reported symptoms of toxic gas exposure. OSHA opened an inquiry into possible carbon monoxide, carbon dioxide, or hydrogen sulfide exposure affecting as many as 40 workers; Zoox says the number is lower and has replaced 12-volt batteries.

• Zoox halted Atlanta test vehicles after workers reported gas exposure symptoms
• OSHA: up to 40 workers may have been exposed to CO, CO2, or hydrogen sulfide
• Zoox replaced 12-volt batteries and will add CO2 monitors to vehicles
• Company says it detected only CO2 and found no evidence of carbon monoxide