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DETROIT — The U.S. government’s highway safety agency is investigating complaints that the air bags may not inflate in a crash on thousands of General Motors vehicles.

Mesilla Valley Transportation Solutions tested FlowBelow Aero Inc.’s tractor and trailer wheel covers for the first time as well as the Tractor AeroKit, and found that each technology provided significant fuel savings.

Self-driving truck technology developer Plus announced it signed a memorandum of understanding with Iveco, a brand of CNH Industrial N.V., to jointly develop autonomous trucks that will be deployed across China, Europe and other areas.

U.S. Class 8 retail sales in March jumped 33.7% to 22,031 as all truck makers posted gains compared with a year earlier, WardsAuto.com reported.

Utility Trailer Manufacturing Co. announced ConMet Preset Plus wheel end hubs as the standard base specification on all Utility trailer models.

Dobbs Truck Group announced it broke ground on its latest Peterbilt Motors Co. dealership, as well as Dobbs Truck Group corporate office in Sumner, Wash.

Volvo Group has signed a collaboration agreement with steel company SSAB to cover research and development of what Volvo called the world’s first vehicles to be made of fossil-free steel.

DETROIT — The global shortage of semiconductors has forced General Motors and Ford to further cut production at their North American factories as chip supplies seem to be growing tighter.

After carrying the weight of the global economy since World War II with little fanfare, the lowly shipping pallet is finally commanding some respect.

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