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The Environmental Protection Agency is under investigation by the House Commerce Committee over its handling of claims that diesel engine manufacturers cheated on federal emissions tests.

The Department of Transportation has drafted a review of truck size and weight that is designed to help lawmakers weigh proposals, a senior DOT official said last week.

It has been called a leap of faith, a huge financial gamble, but most European Union nations have made the transition to a new currency, the euro (pictured).

A dispute between two transponder services has prevented some truckers traveling through Oregon from using the devices that help ease their trip.

The National Transportation Safety Board is planning to survey the performance of intrastate motor carriers and the impact they have on transportation safety.

The chairman of the Oregon Trucking Associations was among four people killed Jan. 6 when the small plane they were flying in crashed and burned about 30 miles southwest of Portland, Ore.

The Corporation for Clean Air renewed its fight to get warning labels about diesel emissions on trucks by appealing the dismissals of its lawsuits against California truck manufacturers and motor carriers.

The Department of Transportation’s new truck size and weight study is winning praise from the Coalition Against Bigger Trucks.

In a Christmas Eve notice, FHWA quietly unveiled the criteria for participating in a federal pilot program that will permit up to three states to charge tolls on interstate highways.