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Navistar International Corp. said Monday it is suspending production of a diesel engine it builds for Ford Motor Co. because Ford has stopped honoring contract terms.

Rack-and-pinion steering, which has become commonplace in passenger vehicles and light trucks, is now getting its first trial in heavy-duty trucks.

UNIVERSAL CITY, Calif. — The president of the Long Beach Harbor Commission said a licensing system would be “up and running within five years” at his port and the neighboring Port of Los Angeles to ensure all trucks entering the facilities meet strict emission standards.

Truck manufacturers and dealers said they are carrying out the most extensive training program ever to prepare technicians to service and repair the new 2007 engine technology, emphasizing the new diesel particulate filters.

Union Pacific Railroad has laid off 124 people and cut back hours for 455 more because of lower freight demand, the Associated Press reported, and a market analysis firm Monday lowered its market outlook for the rail sector.

Inspectors from the Federal Motor Carrier Safety Administration will travel to Mexico to conduct safety audits on trucking companies interested in hauling cargo to and from the United States, the Department of Transportation said late Thursday.

EL PASO, Texas — The United States will grant Mexican trucks access to U.S. highways under a pilot program, Transportation Secretary Mary Peters announced here today.

Canadian Labor Minister Jean-Pierre Blackburn introduced legislation Friday to force striking Canadian National Railway Co. employees back to work as early as next week, Bloomberg reported.

DaimlerChrysler AG said it expects its heavy truck division, including Freightliner, to maintain its profitability, even in the face of flagging U.S. sales, Bloomberg reported Friday.

Express-1 Expedited Solutions said Thursday it earned $1.6 million or 6 cents a share in the fourth quarter, up from $597,000 or 2 cents a year earlier.