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Several companies that blend diesel exhaust fluid, the urea solution used in truck engines with selective catalytic reduction systems, have had their blends certified by the American Petroleum Institute.

LOUISVILLE, Ky. — Cummins Inc. said it is confident the Environmental Protection Agency will approve the company’s use of copper zeolite in engines de-signed to meet 2010 emission rules, removing any potential roadblock for the new models.

Transportation officials in Colorado said initial feedback from commercial drivers who have used the AutoSock, a heavy-duty cloth covering for tires, has been positive, and it could become an accepted alternative to metal snow chains.

The U.S. Environmental Protection Agency last week took the first step toward creating a national cap-and-trade system, proposing a new rule that would establish a federal system for reporting carbon dioxide emissions and other greenhouse gases produced by large stationary and mobile sources.

The Federal Motor Carrier Safety Administration released the results of a study led by the American Transportation Research Institute that quantifies the potential return on investment offered by three types of onboard truck safety systems.

The Environmental Protection Agency will require onboard diagnostics systems on at least one engine family per manufacturer starting in 2010.

Your story on the demise of RigMaster comes as no surprise in a sector of the truck market that has seen a drastic downturn of new business, mostly exacerbated by tightening of credit markets (2-9, p. 4).

Transportation technology firm TransCore said Monday that it has launched a customer support and information Web site catered to trucking companies using Class 8 trucks.

PeopleNet, Chaska, Minn., said Feb. 24 it launched its tethered trailer-tracking system, known as Trailer ID.