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The nation’s new chief accident investigator wants to send a message: growing public confusion over automated driving systems in the U.S. is threatening to undermine the potential safety benefits of the technology.

The National Highway Traffic Safety Administration’s investigation into a possible defect involving Tesla Inc.’s Autopilot may signal a more activist approach by the Biden administration to regulating technology that is crucial to the auto industry’s future.

WASHINGTON — After years of working with emerging technologies in the automotive sector, Paccar Inc.’s new chief technology officer sees a similar transformation unfolding in the commercial truck market.

A startup called Whisper Aero, which is disclosing its plans for the first time, thinks it may be well on its way to solving a noise problem related to drones.

The U.S. government’s highway safety agency has ordered automakers to report any crashes involving fully autonomous vehicles or partially automated driver-assist systems.

Tesla Inc.’s aspirations in China were dealt a major blow over the weekend after the government ordered that almost all the cars it has sold in the nation — more than 285,000 of them — be fixed to address a safety issue.

Legislation meant to facilitate access to autonomous vehicles nationwide has again come before the U.S. House of Representatives.

Tesla Inc., whose boss Elon Musk says he can develop a fully self-driving car without using laser-sensor technology, has a contract to use such lidar sensors from Luminar Technologies Inc. for testing and development, according to people familiar with the matter.

The expected increase in commercial drone operations such as delivery flights is prompting accident investigators to expand the types of aviation crashes they plan to review.