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Arizona has a new law mandating that vehicle weight-restriction signs can only be enforced on state highways if designed by the state transportation department.

New registrations for Class 8 trucks are set to total 249,836 this year, according to S&P Global Mobility, a jump of 12% compared with its expectations at the start of the year.

While the United Auto Workers union hammers out a new deal with GM and battery manufacturer Ultium Cells, workers are pointing to safety hazards as a key issue in the negotiations.

Major truck and engine manufacturers have brokered a truce with California’s plan for phasing out sales of Classes 4-8 diesel-powered trucks in a landmark deal with state regulators.

Nikola Corp. delivered 45 battery-electric trucks wholesale and 66 trucks retail in the second quarter, the company announced July 5.

An 18-state coalition is backing the EPA in a legal action supporting California’s future strict emissions controls on medium- and heavy-duty trucks.

Threatened by possible shortages of lithium for electric car batteries, automakers are racing to lock in supplies of the mineral in a politically and environmentally fraught competition.

The Federal Motor Carrier Safety Administration is seeking approval from the Office of Management and Budget to do a study related to truck drivers and advanced driver-assistance systems.

Companies including PepsiCo Inc. and Nike Inc. are calling for the European Union to implement stricter emissions targets for trucks, which the firms say will lower costs in the long run.

WASHINGTON — The U.S. Department of Transportation is awarding almost $1.7 billion in grants for buying zero- and low-emission buses, with the money going to transit projects in 46 states and territories.