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The ongoing struggle between Canada’s trucking industry and Environment Canada over the classification of diesel particulate matter has turned into a battle of scientific opinions.

John Walters has seen it all when it comes to the worst accidents involving hazardous materials, and he's learned that working with the transportation industry is one of the best ways to limit the impact of spills.

In the news this morning: Bridgestone/Firestone workers may strike this weekend; Canadian air parcel giant Purolator cites tentative deal with Teamsters; online shipping quotes available from Craters & Freighters; and more.

Today's technology headlines: Smooth ride expected for trucker-oriented wireless service; Motorola to buy software firm Printrak for $160 million; AT&T to offer free cable telephony in effort to hit subscriber goals; and more.

This afternoon's headlines: New Jersey seeks to further limit trucks on roadways; cargo continues to boom at Calif. ports, raising space concerns; Ford may face large-scale vehicle recall; and more.

The holiday rush has hit U.S. ports, and in a repeat of 1999 port truckers in Savannah, Ga., are taking the opportunity to voice complaints about their work conditions.

Trucking companies that get unsatisfactory safety fitness ratings from the Federal Motor Carrier Safety Administration after Nov. 20 risk being shut down under the agency’s new enforcement authority.

The price of diesel fuel jumped to the highest level seen in 22 weeks, amid predictions of still higher prices to come.

The Federal Motor Carrier Safety Administration plans to issue a proposed supplemental rule for driver hours of service that could involve small concessions to trucking.

It is a call all safety directors dread: One of their trucks carrying hazardous materials has been in an accident and its contents are spilling onto the road.