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Cummins to use proven cooled-EGR technology for 2007

COLUMBUS, Ind. -- Cummins Inc. confirmed that it will meet the 2007 U.S. EPA on-highway Oxides of Nitrogen (NOx) em...


COLUMBUS, Ind. — Cummins Inc. confirmed that it will meet the 2007 U.S. EPA on-highway Oxides of Nitrogen (NOx) emission standards using cooled-exhaust gas recirculation (EGR).

This is the same technology employed today by Cummins for heavy-duty trucks in North America.

The company announced in 2001 that cooled-EGR technology was the foundation for achieving the 2007 emissions requirements as well as the October 2002 standards.

In early 2002, Cummins began operation of a Mobile Emissions Research Laboratory to evaluate different technologies necessary to achieve the 2007 U.S. EPA standard in real-world applications. The evaluations tested cooled-EGR, NOx adsorbers, selective catalytic reduction and other aftertreatment technologies before concluding that cooled-EGR and particulate filters were the right technologies for 2007 for the U.S. heavy-duty truck market.

“Cummins remains on a very focused research and engineering technology path started in the early 1990’s to ensure that the cooled-EGR direction we chose would be the right technology for the U.S. heavy-duty truck market for 2007. We want the trucking industry to have confidence in our approach for meeting these emissions standards. The experience we have on our current cooled-EGR engines combined with our product development efforts confirms our decision,” said Dr. John Wall, Cummins Vice President and Chief Technical Officer.

Wall stated that particulate aftertreatment filters would be a necessary component for the 2007 model year trucks in order to achieve the stringent particulate matter (PM) standards.

“Our experience with particulate filters and the availability of ultra-low-sulfur diesel fuel combine to give us confidence in meeting these tough standards,” said Wall.

For more information visit www.cummins.com


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