Government

Conflicts between existing state laws and a new federal law legalizing the transport of industrial hemp are making it difficult for law enforcement officers to enforce the new law, the head of the Commercial Vehicle Safety Alliance told officials at the U.S. Department of Agriculture.

The federal government is creating a council to address oversight gaps created by emerging technologies, such as autonomous vehicles, that fall within the jurisdiction of multiple Department of Transportation agencies.

DALLAS — Aviation experts expressed doubt March 13 that turbulence could have caused the deadly February crash of an Atlas Air cargo plane carrying Amazon packages in Texas, suspecting human error or a massive malfunction as more likely culprits.

There’s been virtually no increase in public acceptance of self-driving cars even as automakers and tech giants are pouring billions into driverless technology.

About 2,500 workers will get additional severance pay from New England Motor Freight, a New Jersey-based carrier that declared bankruptcy in February, according to an attorney representing terminated employees.

WASHINGTON — The leaders of the congressional committees tasked with crafting an infrastructure policy bill continue to disagree over a sustainable approach for ensuring the country’s transportation network is funded long term.

Clean Energy Fuels Corp. announced it would convert all its natural gas fuel to its renewable product, Redeem, by 2025 as it positions itself to offer the cleanest available fuel alternative to diesel through a broad distribution network.

Despite growing concerns in the trucking industry over a rise in the legal use of marijuana, there is a general lack of research on the relationship between use of the drug and crashes, as well as a need for better law-enforcement tools and training to detect impaired-driver use of the drug, according to new research by the American Transportation Research Institute.

Alabama Gov. Kay Ivey has signed into law the Rebuild Alabama Act, which includes a fuel tax increase to support infrastructure projects.

Fiat Chrysler Automobiles NV recalled almost 863,000 vehicles that violate U.S. emissions standards, another knock for the company after it agreed to make amends for building different trucks and SUVs that polluted more than legally allowed.