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FedEx Corp.’s freight unit last week posted its first-ever operating loss, falling victim to the recession that cut both rates and freight volumes. It announced cost-cutting moves that included job reductions and the closing of its California general office.

The ability to track the location and contents of trailers, in theory, can help carriers haul more goods in fewer trailers.

The worst U.S. traffic bottleneck is on the south edge of Chicago, according to a pioneering study that uses electronic data from trucks — a research method that could influence future transportation spending debates.

Transportation officials in Colorado said initial feedback from commercial drivers who have used the AutoSock, a heavy-duty cloth covering for tires, has been positive, and it could become an accepted alternative to metal snow chains.

LOUISVILLE, Ky. — Truck and engine makers took advantage of one of the last major marketing forums before the onset of new federal emission rules to starkly set the stage for buyers of heavy-duty vehicles in choosing between SCR and EGR for their diesel engines.

Chris Patterson will step down as president of Daimler Trucks North America on June 1, some four years after taking the reins of the nation’s largest heavy-duty truck maker.

LOUISVILLE, Ky. — Truck and engine makers’ work on selective catalytic reduction technology has convinced the U.S. Environmental Protection Agency to abandon its “historical hesitancy” on that approach to emissions control.

The Treasury Department will provide as much as $5 billion in financing to struggling automotive industry suppliers to help them stay in business.