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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).

President Obama called on Congress to approve legislation creating a cap-and-trade system aimed at reducing carbon emissions. Obama spoke on Feb. 24 to Congress in a joint session and invited spectators, who included the chairman of American Trucking Associations.

National Retail Systems has deployed 115 trucks to comply with the Clean Truck Program requirements set forth by the ports of Los Angeles and Long Beach, the company said Tuesday.

ARLINGTON, Va. — A top Navistar Inc. official said the company is pursuing its own solution to meet the 2010 U.S. emission standards, because it doesn’t believe the fuel savings claimed by competitors will justify the higher costs and more complicated systems associated with the new engines.

Paccar Inc.’s parts dealers are offering the company’s Engine Control Systems Purifilter, an aftermarket passively regenerating diesel particulate filter approved by the California Air Resources Board for installation and use in a wide variety of Class 8 trucks.

Cummins Inc. unit Cummins Emission Solutions said it will partner with a technology company for 2010 engine controls and that it will close a Wisconsin plant.

The Environmental Protection Agency said it is concerned that emissions systems using a copper compound that engine maker Cummins Inc. will use in 2010 models could generate “likely human carcinogen” dioxins, in which case it would “likely not certify” the systems.

Diesel engine maker Cummins Inc.’s emissions subsidiary will lay off about 100 workers at a Wisconsin plant, effective immediately, because of the slumping North American truck market, the company said.

The U.S. Environmental Protection Agency has issued its final rule requiring heavy-truck manufacturers to install onboard diagnostic systems starting in 2010 to alert drivers when engine emission systems are malfunctioning or deteriorating.

Navistar International Corp. will use federal emission credits to enable its new Class 8 engine to meet 2010 federal emission standards, although the engine could be set up to comply with the regulation without the credits, a Navistar executive said.