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PeopleNet said regional less-than-truckload carrier Dohrn Transfer Co. will begin installing its onboard technology system in January.

Flatbed and heavy specialized carrier Arrow Trucking has closed down, the Associated Press reported.

The steep, yearlong decline in heavy-duty U.S. truck sales slowed to 16.4% below the 2008 level in November, or nearly half as much as the 11-month fall of 31%, according to the latest survey by WardsAuto.com.

Cummins Inc. named Rich Freeland to be the next president of its engine business, succeeding Jim Kelly, who the company said Tuesday will step down from that position early next year.

Roadrunner Transportation Services Holdings Inc. said it bought less-than-truckload carrier Bullet Freight Systems Inc. on Dec. 14 to expand its services in the western United States.

Cummins Inc. said late Tuesday that Jim Kelly, president of its engine business, will leave the position in March and that it will name a successor “in the very near future.”

Today’s new diesel-power trucks are, by law, equipped with particulate filters, and in many models the DPF will soon will be joined by another aftertreatment device — selective catalytic reduction, or SCR, in a canister.

Donaldson Co., a manufacturer of filtration systems, said Monday it is spending $5 million to enable one of its plants to manufacture parts that comply with the Environmental Protection Agency’s 2010 diesel emission standards.

Navistar International Corp. said Monday that it has acquired Continental Manufacturing Co., a manufacturer of concrete mixer trucks.

TMW Systems last week acquired Innovative Computing Corp., combining two of the best-known names in the marketplace and expanding the reach of the largest provider of fleet-management software.