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Takata Corp., the auto parts supplier that went bankrupt after its air bags spurred the largest-ever recall, told U.S. safety regulators that another 1.4 million U.S. vehicles need to be repaired over a potentially deadly defect.

The complexity of building a bullet train through Southern California’s urban maze is leading state officials to consider two major additions: a tunnel under the Burbank airport and a project that would help a freight railroad expand its switching yards in the Inland Empire.

The U.S. average retail price of diesel rose 0.4 cent to $3.07 a gallon, the Department of Energy reported Dec. 2.

The U.S. freight rail system is arguably the best and most efficient in the world.

LONDON — London’s transit authority Nov. 25 refused to renew Uber’s operating license over concerns about impostor drivers, with the ride-booking company vowing to appeal the decision as it struggles to secure its future in the British capital.

Federal trucking regulators are nearing completion of a formal notice that they plan to delay implementation of the Entry Level Driver Training rule by up to two years after it was set to go into effect on a limited basis Feb. 7.

The National Highway Traffic Safety Administration is extending the comment period for members of the public to offer feedback on draft research test procedures to assess certain types of advanced driver assistance systems.

Michigan Gov. Gretchen Whitmer has announced a partnership with the autonomous vehicle technology company Mobileye to create a pilot program focused on advanced driving systems.

Independent engine maker Cummins Inc. along with Daimler Trucks & Buses, global corporations at the center of the U.S. commercial vehicle industry, are accelerating efforts to combat climate change with their products and at their plants.