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Descartes Systems Group said Thursday it acquired the logistics business of privately held Oceanwide Inc., in an all-cash transaction of about C$10.4 million ($8.4 million).

RigMaster Power Corp., a Canadian manufacturer of auxiliary power units, has ceased all operations, according to a voice message on its telephone.

Starting in 2010, fleets buying new trucks will have to decide between two very different engine systems, and manufacturers already are warning that selecting the competing platform will leave the owner with an inferior product.

In a whirl of activity that is expected to accelerate in coming years, states are making toll roads a permanent part of the nation’s highway system and eyeing toll dollars as a way to plug gaping budget deficits.

Express-1 Inc., parent company of Express-1 Expedited Solutions, acquired First Class Expediting Services in a deal that may become a template for future acquisitions, Express-1’s chief financial officer said.

Truck components maker ArvinMeritor said Wednesday its fiscal first-quarter loss from continuing operations was $991 million, or $13.71 per share, compared with a loss of $1 million, or 1 cent, a year ago.

Diesel engine maker Cummins Inc. said Tuesday its fourth-quarter profit fell 55% from a year ago, due to declining demand.

Paccar Inc.’s parts dealers are offering the company’s Engine Control Systems Purifilter, an aftermarket passively regenerating diesel particulate filter approved by the California Air Resources Board for installation and use in a wide variety of Class 8 trucks.