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WASHINGTON — Bendix Commercial Vehicle Systems LLC demonstrated here the automatic braking system for heavy-duty trucks it will offer starting in the fourth quarter.

Heavy-duty components maker ArvinMeritor Inc. said it will buy Trucktechnic, a Belgium-based remanufacturer and distributor of commercial vehicle disc and foundation brakes and components.

Tire maker Michelin & Cie. is boosting commercial truck replacement tire prices by as much as 8% in North America, Bloomberg reported.

Heavy-duty truck and auto components maker Eaton Corp. said Thursday it named Joseph Palchak chief executive officer of its automotive group.

Roadrunner Transportation Services, formerly known as Roadrunner Dawes Freight Systems, said Monday it has rebranded to reflect new offerings its third-party transportation logistics, supply-chain management, and truckload and less-than-truckload services.

Cummins Inc. and Navistar International Corp. said Monday they have extended their engine supply agreement for Class 8 on-highway diesel engines through 2013.

Caterpillar Inc., which lost its dominant position in heavy-duty engines last year because of persistent problems with 2007-compliant models, said it will pull out of the North American Class 8 market by 2010, except for a severe-duty truck and engine in partnership with Navistar International Corp.

Caterpillar Inc., which said Thursday it has signed an agreement to develop a heavy-duty truck with Navistar International Corp., said it would not develop and sell engines that meet 2010 emissions standards to other truck original equipment manufacturers.

IdleAire Technologies Corp., which designs anti-idling systems for long-haul trucks at truck stops, can proceed with a proposed sale without an investigation, a judge ruled, Bloomberg reported Monday.