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U.S. auto safety regulators are probing General Motors Co. over concerns that more than 870,000 of its full-size pickup trucks and SUVs face the risk of engine failure.

Sean Duffy, President-elect Donald Trump’s nominee to lead USDOT, promised to not interfere with ongoing NHTSA investigations into Tesla if confirmed as secretary.

NHTSA ended a federal investigation into Cruise robotaxis without taking action, weeks after General Motors Co. decided to shutter the struggling business.

Tesla is under federal scrutiny over concerns that a newly released driver-assistance feature could result in crashes.

Government safety regulators said Dec. 23 they have closed an investigation into two previous recalls of the Ford Focus after determining that Ford Motor Co. has satisfied its concerns.

Any current or former employee or contractor of a vehicle manufacturer, part supplier or dealership may be a whistleblower, NHTSA said.

DETROIT — U.S. auto safety regulators have backed away from seeking a giant recall of nearly 50 million air bag inflators and will investigate further after auto industry comments.

DETROIT — Starting in September 2027, all new passenger vehicles in the U.S. will have to sound a warning if rear-seat passengers don’t buckle up.

DETROIT — Honda is recalling nearly 206,000 SUVs in the U.S. because the fuel filler neck can separate from the filler pipe in a crash, allowing gasoline to leak and increasing the risk of a fire.

DETROIT — General Motors is adding over 132,000 heavy-duty pickups to a previous recall for tailgate release switches that can short circuit and open the gates while the trucks are in park.