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Oral-fluid drug testing for marijuana has a shorter detection window, up to 72 hours after use, which could increase marijuana use among truckers, experts say. Story by Eric Miller.   

President Donald Trump will announce his reciprocal tariff push on April 2 during an event in the White House Rose Garden, his top spokesperson said.

Westport Fuel Systems posted declines in Q4 and full-year net income as the equipment maker advanced its joint venture with Volvo Group and announced the sale of its light-duty business.

The publicly espoused viewpoints of Tesla CEO Elon Musk and his own company regarding electric vehicles appear to be at odds.

Truck maker Isuzu will launch a battery-electric version of its Class 6 and Class 7 F-series medium-duty trucks in 2027, rather than 2026 as initially expected.

Bankrupt battery maker Northvolt AB will continue to operate in Sweden with a staff of 1,700 while its remaining employees will be laid off.

Volvo Car AB tapped its longtime CEO Hakan Samuelsson to retake the helm as the Swedish automaker tries to navigate its way out of a malaise worsened by looming U.S. tariffs.

Edmunds projects Q1 car sales totaling 3.8 million vehicles, the strongest start to the year since 2021. Promised U.S. tariffs could jack up sticker prices once inventories are depleted.

As many as 350 staff will be laid off in early April at Volvo Trucks North America’s New River Valley assembly plant in Dublin, Va., a Volvo Group representative told Transport Topics.

President Donald Trump said he spoke with Canadian Prime Minister Mark Carney and that the two would meet after Canada’s election, amid an intensifying tariff war between the allies.