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PITTSBURGH — Alex Bugeya of Ontario, Canada, became a competitor for the first time this year and earned the right to represent his province at the Commercial Vehicle Safety Alliance’s North American Inspectors Championship here.

A new study by the American Transportation Research Institute found that anti-idling equipment can trim idling time by as much as 78%.

While the highly popular Cash for Clunkers program boosted the sales of new autos, both foreign and domestic, it is unknown if it will have any noticeable effect on the economy, jobs, energy or the environment.

When trucks and truck drivers are mentioned in the general media, they seem almost invariably to be put in a bad light.

The Department of Defense has extended its deadline for carriers to install new trailer-tracking hardware and software when hauling the military’s high-security and sensitive commodities, including arms, ammunition and explosives.

Detroit Diesel Corp. said it will submit its first heavy-duty 2010 engine for U.S. Environmental Protection Agency certification during September, joining Cummins Inc., Mack Trucks Inc. and Volvo Trucks North America, which already have submitted applications to the agency.

In its first major regulatory action under the Obama administration, the Federal Motor Carrier Safety Administration said last week it may for the first time require new trucking companies to pass a proficiency exam before being allowed to begin operations.

American Trucking Associations’ tonnage index fell 10.4% in July from a year ago, the slowest rate of decline since February, offering another sign that the sick U.S. economy may be starting to heal.

Aluminum and steel makers, and at least one truck manufacturer, said they are working to design truck cabs and frames using lightweight materials that could reduce a tractor’s weight by 20% to 25%.

October container volume at U.S. ports is expected to drop more than 18% from the same month last year — and down more than 25% from the record-making peak season of October 2006, economic forecasters said.