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The average national price of diesel fuel jumped 7.5 cents to $2.626 a gallon, while gasoline soared 12.2 cents from last week to $2.505, the Department of Energy said Monday.

Factory orders plunged 5.6% in January, the biggest drop in six years, the Commerce Department reported Tuesday.

Fourth-quarter U.S. worker productivity rose 1.6%, matching the level for the full year but lower than originally estimated, the Labor Department said Tuesday.

Canadian firm Contrans Income Fund reported it earned C$7.8 million or 34 cents a unit, compared with C$6.3 million or 33 cents a year earlier.

Refrigerated truckload carrier Frozen Food Express Industries said Tuesday its fourth-quarter income fell to $3.4 million or 24 cents a share, from $6.4 million or 34 cents a year earlier.

Commercial vehicle component maker Accuride Corp. said Tuesday it earned $14.3 million or 41 cents a share in the fourth quarter, compared with $14.9 million or 43 cents a year earlier.

Auto hauler Allied Holdings will be taken over by the private company Yucaipa Cos. under a bankruptcy exit plan filed jointly by the two firms, Bloomberg reported late Friday.

The U.S. government awarded $385 million in grants last week aimed at jumpstarting ethanol production from nontraditional sources like wood chips, switchgrass and citrus peels, the Associated Press reported.

The Environmental Protection Agency said it would soon issue its guidance for engine manufacturers on the conditions they must meet in order to sell engines that use selective catalytic reduction to meet emission regulations.

As the trucking industry shifts to the next generation of low-emission diesel engines, some fleet maintenance managers said they have experienced few problems with the transition, which presents maintenance adjustments for heavy-duty and medium-duty trucks alike.