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The Mississippi Department of Transportation is testing a system that allows officials to weigh commercial vehicles while they're traveling at full speed, the (Jackson, Miss.) Clarion-Ledger newspaper reported.

Logistics and delivery firm Dynamex Inc.’s fiscal first-quarter profit fell to $1.4 million, or 14 cents a share, from $3 million, or 31 cents, a year ago.

The U.S. Environmental Protection Agency last week finalized its 2011 national renewable fuel standard, calling for the production of 800 million gallons of biodiesel, up from 650 million gallons in 2010.

Truck components maker Eaton Corp. has named Kenneth Davis to lead its vehicle group, effective Jan. 1.

Federal regulators have officially opened the public comment phase of their first-ever regulations to set commercial truck fuel-efficiency and carbon-emission standards.

The U.S. economy’s service sector expanded at a faster pace in November, the Institute for Supply Management said Friday.

U.S. factory orders decreased 0.9% in October, the first drop in four months, the Commerce Department said Friday.

The U.S. unemployment rate rose to 9.8% in November, while the total number of jobs and the number of trucking jobs increased, the Labor Department said Friday.