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The Ontario Trucking Association said Tuesday that an apparent diesel fuel shortage in the province was causing concern to truckers.

Canadian transportation firm TransForce Income Fund said Monday it earned C$55.1 million or 64 cents a share in the fourth quarter, up from C$35.9 million or 47 cents a year earlier.

Gasoline prices jumped almost 13 cents a gallon nationwide in the past two weeks, as the price of crude oil rose, according to the latest Lundberg Survey of filling stations, released Sunday.

UNIVERSAL CITY, Calif. — An official with the Chicago Climate Exchange said the demand for cleaner engines and alternative fuels in the United States will increase as membership in its cap-and-trade emission trading system expands.

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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.