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Just days after a new report recommended improvements to drug-testing programs that could better identify illegal drug users and keep them off the road, Reps. Jim Oberstar (D-Minn.), John Mica (R-Fla.) and Peter DeFazio (D-Ore.) announced their intention to introduce legislation aimed at establishing a national clearinghouse of positive drug-test results.

Diesel continued to soar last week, jumping 22.6 cents to put the national average retail price at an unprecedented $4.723 a gallon, according to the Department of Energy.

UPS Inc. said Wednesday it is moving its primary intra-Asia air hub to southern China, from the Philippines, to save money and reduce transit times across Asia.

President Bush declared this week as “National Transportation Week” and Saturday to be “National Defense Transportation Day,” the White House said Friday.

American Trucking Associations launched a major initiative to meet the industry’s growing fuel-price crisis, supporting for the first time national truck fuel-economy standards.

A&R Logistics said Wednesday it acquired Pacific Chemical Distribution Corp. and its affiliate Pacific Bulk Transportation Co., for an undisclosed sum.

An American Trucking Associations official asked a congressional panel to set a national speed limit of 65 miles per hour, as part of a series of steps ATA said would support the trucking industry’s efforts to reduce fuel consumption and address the escalating cost of diesel.

Canadian transportation firm Mullen Group Income Fund’s first-quarter profit fell but its trucking and logistics unit’s performance improved, the company said late Monday.

Canadian transportation firm TransForce Income Fund said Wednesday its first-quarter net income was C$19.1 million, or 22 cents per unit, compared with C$20.9 million, or 24 cents, a year ago.