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The National Highway Traffic Safety Administration is investigating some 3 million U.S. vehicles made by Hyundai Motor Co. and Kia Motors Corp. after thousands of complaints that the vehicles went up in flames even without being involved in a crash.

LOUISVILLE, Ky. — A top Federal Motor Carrier Safety Administration official updated truckers on the agency’s efforts to mitigate parking problems and the obligations for drivers as the agency moves toward implementation of the drug and alcohol clearinghouse rule.

A Canadian company that makes alcohol-detection devices attached to steering wheels of school buses hopes to expand to North American trucking companies.

The American Transportation Research Institute’s recently unveiled list of research priorities for 2019 covers an array of topical issues, ranging from truck parking to tolls.

Carbon emissions from fossil-fuel use hit a record last year after energy demand grew at its fastest pace in a decade, reflecting higher oil consumption in the U.S. and more coal burning in China and India.

Filing documents and issuing payments to the Surface Transportation Board will get easier. Effective in May, the board will proceed with a new system meant to allow for greater reliance on online tools as a way of improving its services for stakeholders.

ALEXANDRIA, Va. — A “manufacturers crisis” in transferring automatic onboard recording device software into electronic logging devices is in the making, according to the head of the trade organization representing commercial vehicle inspectors.

General Motors Co. will invest $300 million in its Orion Township. Mich., assembly plant, a move that will create 400 jobs in suburban Detroit.

Maine will provide a $5.1 million subsidy and add at least 50 public vehicle charging stations to encourage residents and companies to buy all-electric vehicles.