The transportation agency is reviewing the new robotaxi’s design and compliance with safety standards.

The National Highway Traffic Safety Administration opened an investigation into Elon Musk's Cybercab one day after its launch in Austin, Texas.

The NHTSA's investigation will now look into whether Tesla deemed that certain parts of its self-certification process were 'are inapplicable to the Cybercab.'

Shares of Tesla ( TSLA) were down nearly 7% in recent trading, making it one of the leading decliners in the S&P 500 and Nasdaq on a down day for broader markets. The move erased much of the stock’s gains earlier in the week.

The EV maker hasn’t played by the administration’s own exemption rules, and shown why its robotaxi is better without mirrors, pedals, or a steering wheel.

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

Tesla's Cybercab event is here—and the internet thinks it underwhelmed. Brian and Randy Kirk break down the rare-earth-free motor, Hardware 5's true purpose, Version 15's readiness, and what it means to own your own Cybercab fleet.