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Companies offering driver-assistance systems and developing autonomous vehicles are entering a new phase of more exacting oversight.

As cars and trucks get smarter and more connected, the humble lights that have controlled the flow of traffic for more than a century could also be on the cusp of a major transformation.

NHTSA has opened an investigation into Zoox, the autonomous vehicle subsidiary of Amazon.com Inc., after two incidents in which its SUVs suddenly braked and were rear-ended.

DETROIT — Federal highway safety officials want Tesla to tell them how and why it developed the fix in a recall of more than 2 million vehicles equipped with the company’s Autopilot system.

California legislators have reintroduced a pair of bills regulating autonomous trucks to potentially override a veto in September by Democratic Gov. Gavin Newsom.

During the past four years, supply chain and logistics companies have ridden the highs and lows of a market that included a pandemic and fractured economy to keep goods moving.

DETROIT— The U.S. government’s auto safety agency is investigating whether last year’s recall of Tesla’s Autopilot driving system did enough to make sure drivers pay attention to the road.

The federal government awarded Fort Worth, Texas, $2 million to test weather sensors on autonomous freight truck routes.

Kentucky has legally paved the way for autonomous vehicles on its roadways with the legislators gathering enough support April 12 to override ’s veto.