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The Federal Motor Carrier Safety Administration said it was delaying some intermodal chassis safety requirements for six months to give operators of that equipment more time to create a database to track the condition of each chassis.

Driver turnover at large truckload carriers fell in the third quarter to 43% a year, the lowest level since American Trucking Associations began tracking the data in 1995.

If people won’t voluntarily avoid using handsets while operating a motor vehicle, there are ways to render cellular connections inoperable, or at least report the driver’s activities to management.

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

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.

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.

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.

TMW Systems has acquired fellow trucking software provider Innovative Computing Corp., the companies announced Tuesday.