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Crude oil futures posted their biggest one-day gain Tuesday since September 2005, rising on forecasts of continuing cold weather and expectations of a stronger U.S. economy, Bloomberg reported.

Truck manufacturer Freightliner LLC plans to lay off about 800 of its 1,700 workers in Portland, Ore., and stop making Freightliner trucks in that city, the Associated Press reported.

Tank truck carrier Quality Distribution lowered its earnings guidance for the fourth quarter and full-year 2006, due to lower seasonal demand.

The president of trucking software provider TMW Systems said he does not expect a slowdown in sales this year, even as some trucking companies face a downturn in demand for freight-hauling services.

The maintenance managers of two vehicle leasing companies expect few problems in their shops as the truck-operating industry shifts to the next generation of lower-emission diesel engines.

American Trucking Associations’ advanced seasonally adjusted truck tonnage index jumped 3.9% in December, following a 3.6% downturn in November.

Truckload carrier USA Truck on Thursday reported its fourth-quarter profit plunged to $1.2 million or 11 cents a share, from $4.3 million or 37 cents a year earlier, on lower tonnage and demand.

The Transportation Department’s recent proposal to use electronic onboard recorders to monitor driver hours is “weak” and ineffective, safety advocacy groups said last week, while some trucking industry organizations applauded the plan.

USA Truck Wednesday announced the promotion of Jerry Orler to chief executive officer.

Analysts expect mostly lackluster fourth-quarter earnings from trucking companies, since the industry's annual peak season never materialized and demand further waned amid a general economic slowdown, the Associated Press reported.