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The Idaho Department of Transportation will hold public hearings Wednesday and Thursday after a judge said the department must consider complaints about ConocoPhillips’ plan to ship large loads of equipment along winding highway U.S. 12.

The president of the National Tank Truck Carriers has asked the National Transportation Safety Board to withdraw and reopen its investigation into a fatal 1997 tank truck accident that he said has become the “poster child” of the agency’s longtime campaign to require purge retrofits for cargo tank wetlines.

Paccar Inc. said Tuesday it has declared a special cash dividend of 30 cents per share.

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.