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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.

Soaring fuel prices have driven trucking bankruptcies up 143% over the same time last year, and industry analysts said the market may need to consolidate more before it improves for those companies that survive, the Associated Press reported.

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.

Diesel engine maker Cummins Inc. plans to temporarily lay off 125 workers from its midrange engine plant in Indiana because of declining pickup truck demand, the Associated Press reported Monday.

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.

Diesel engine maker Cummins Inc. said it named Tom Linebarger to replace Joe Loughrey as the company’s president and chief operating officer, effective Aug. 1.

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.

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.

As fuel prices have skyrocketed, trucking companies have been forced to look closer at other parts of their businesses to trim costs.