WARRENVILLE, Ill. — Navistar has announced it is investing in a Danish company that may hold the key to meeting strigent NOx emissions limits mandated by the EPA.
Amminex offers a metal ammine-based NOx reductant delivery system, which Navistar plans to explore in certain applications. Navistar officials said the system matches very well with its own 2010 engine technology which uses Advanced EGR to meet EPA2010 requirements in-cylinder.
“By leveraging our assets and those of Amminex, this agreement supports Navistar’s three-pillar strategy of product leadership, competitive cost structure and profitable growth,” said Daniel C. Ustian, Navistar chairman, president and chief executive officer. “Amminex offers another tool for Navistar to explore cost-effective, customer-friendly technologies that fit our MaxxForce Advanced EGR platform, meeting emissions requirements while removing the burden liquid urea places on the industry.”
Navistar said its 2010 engines are already achieving 0.4 to 0.5 g/bHp-hr (grams per brake horsepower hour) of NOx using the company’s Advanced EGR technology. It claims the Amminex delivery system shows the potential to be a cost-effective component of MaxxForce Advanced EGR, as the company ramps down its NOx output to the mandated 0.2 g/bHp-hr.
“Our in-cylinder approach with MaxxForce Advanced EGR technology remains our prime path to achieve a tailpipe emissions compliance level of 0.2 NOx,” said Jack Allen, president, Navistar’s North American Truck Group. “The Amminex technology fits perfectly into our Advanced EGR prime path – assuring that the responsibility of emissions compliance remains with the OEM and eliminating the need for customers and third parties to invest in a new infrastructure for liquid urea.”
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