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The National Highway Traffic Safety Administration is investigating complaints of Tesla Inc. cars with Autopilot driver assist that suddenly brake at high speeds, the latest in a string of confrontations between the company and safety regulators.

The National Highway Traffic Safety Administration is about to allow new high-tech headlights that can automatically tailor beams so they focus on dark areas of the road and don’t create glare for oncoming drivers.

Cummins Inc. announced it will build a new family of internal combustion engines for a range of low-carbon fuels beginning in 2024 using core components on common engine blocks, with additional components installed to handle the specific fuel.

Economists and industry experts widely believe supply chain disruptions will continue to greatly impact the transportation industry for the first half of the year, and possibly into 2023.

A pair of Democratic U.S. senators demanded answers Feb. 8 from Tesla Inc. about a feature of its so-called Full Self-Driving system that permitted its vehicles to slowly roll through intersections without stopping as well as complaints about cars that suddenly brake at high speeds.

Truck parking, which affects everything from driver satisfaction to cargo security, is a top concern for the trucking industry.

Inoperable vehicle lamps caused the most violations in national roadside inspections of trucks from the United States, Mexico and Canada last year, according to Federal Motor Carrier Safety Administration statistics.

A branch of the U.S. Department of Transportation this month is reviving a research effort to help gain a better understanding of the features and purposes of commercial vehicles on the country’s roadways.

Cruise LLC, the self-driving car startup that is majority owned by General Motors Co., is offering free rides to nonemployees in San Francisco for the first time, a move that triggers another $1.35 billion from investor SoftBank Vision Fund.