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Prices of most key commodities used in making heavy trucks have dropped 50% or more since last year, but price reductions for tires, components and trucks have been difficult to find.

Weak Class 8 truck sales around the world led to plunging revenue and either losses or vastly diminished first-quarter profits for three of the four major heavy-duty truck manufacturers and both independent engine makers operating in North America.

Hino Motors Ltd., Japan’s largest heavy-duty truck maker, had a wider-than-expected annual loss because of falling sales and one-time costs from a change in its pension system, Bloomberg reported Tuesday.

Sterling Truck Corp. officially ended its 11-year life span last month when the last Class 8 rolled off the St. Thomas, Ontario, assembly line, part of a final order for ABF Freight System Inc.

The Massachusetts House of Representatives has joined the Senate in approving a reform plan for the state’s transportation system.

FedEx Corp. last week won a Washington state class action case that affirmed the company’s position on driver classification.

LOUISVILLE, Ky. — China International Marine Containers introduced the first trailer it is marketing in the United States under its own name, a refrigerated unit it said contains a proprietary insulation system that will eliminate the 3% to 7% in condensation weight that typical reefers build up in a year.

Delphi Corp. has agreed to its global suspension and brake business to Chinese firm BeijingWest Industries Co., Bloomberg reported Tuesday.

The second major snowstorm in a week hit the Northern Plains with more than a foot of snow Monday, closing hundreds of miles of major highways and causing major collisions, the Associated Press reported Tuesday.