The National Highway Traffic Safety Administration (NHTSA) has escalated its probe into how Tesla self-certified the Cybercab ...

Tesla faces 21 federal requests over Cybercab certification, including questions about the missing driver controls ...

Tesla Cybercab NHTSA Special Order, signed September 10, gives Tesla until September 30 to explain under sworn oath how a ...

Federal regulators have moved from asking Tesla questions about its Cybercab to demanding sworn answers. The National Highway ...

Tesla's robotaxi has raised questions about its certification paperwork, so the NHTSA ordered the company to explain itself under oath.

US regulators have launched an investigation into Tesla's certification of its new Cybercab robotaxi. Can they slow down its expansion?

Tesla now has to prove to government regulators that its Cybercab - that has no steering wheel or pedals - is legal to sell, ...

The country's top road safety agency gave Tesla until the end of the month to answer questions about the Cybercab's self ...

On Tuesday, the U.S. National Highway Traffic Safety Administration ordered Tesla Inc. to answer 21 detailed questions by ...

Zoox petitioned NHTSA and was approved in July. Tesla self-certified up to 1,000 Cybercabs and is now under investigation.

NHTSA says it will examine the data Tesla used to self-certify the Cybercab as compliant with federal vehicle safety standards ...

NHTSA orders Tesla to explain Cybercab’s no-wheel, no-pedal design by Sept. 30 and FMVSS compliance risks, recalls and penalties.