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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.

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.

WASHINGTON — Several prototype Class 8 hybrid trucks are currently under development, but the technical and economic obstacles in the way of placing reliable and fuel-efficient heavy hybrid over-the-road trucks in service remain daunting, experts told a House subcommittee.

Global Positioning System location-finding and navigation services are generating increasing revenue as the satellite-based technology is embedded in a wider range of mobile devices, according to a report from the European firm ABI Research.

Truckload carrier U.S. Xpress Enterprises said its Xpress Global Systems subsidiary finalized its purchase of Pinner Transportation. Terms were not released.

Iteris Inc., which makes lane-departure warning systems for the trucking industry, reported its fiscal fourth-quarter profit improved from a year ago.

Ryder System said Wednesday it appointed John Williford to serve in the newly created position of president of Ryder's global supply chain solutions unit.

Ford Motor Co. plans to lay off up to 12% of its salaried employees by August as part of a restructuring in the face of slumping sales and high fuel prices, the Associated Press reported Wednesday.

Auto parts supplier American Axle and Manufacturing Holdings said Friday it expects production to resume next week after union workers overwhelmingly approved a new contract that contains steep pay cuts and other concessions, the Associated Press reported.

Several General Motors Corp. plants idled by an 11-week strike at supplier American Axle & Manufacturing Holdings are set to begin operations soon, following a tentative settlement to the work stoppage, the Wall Street Journal reported Monday.