International: No SCR for 2010 MaxxForce

International Truck and Engine Corp. announced that its MaxxForce diesel engines will meet EPA 2010 emission regulations for all its core applications without selective catalytic reduction (SCR) technology, which requires the use of urea. Rather than deploy SCR, International said it intends to meet the stricter 2010 rules through advanced fuel system, air management, combustion and controls. According

International Truck and Engine Corp. announced that its MaxxForce diesel engines will meet EPA 2010 emission regulations for all its core applications without selective catalytic reduction (SCR) technology, which requires the use of urea.

Rather than deploy SCR, International said it intends to meet the stricter 2010 rules through advanced fuel system, air management, combustion and controls. According to the OEM, “no incremental NOx aftertreatment beyond the current technology will be required on any core International on-highway application in 2010.”

Daniel Ustian, chairman, president & CEO of Navistar, International's parent, notes that International spent years studying and evaluating SCR. Although it is an effective way to meet 2010 emission standards, SCR “adds to the cost and complexity of use of commercial vehicles for truck and bus fleet operators,” he points out.

The MaxxForce line of 4.5L, 11L and 13L engines was developed by International in partnership with Germany's MAN Nutzfahrezeuge AG.

To date, the heavy-duty diesel engine market is evenly split between manufacturers expected to use SCR in 2010 and those which are not. International joins Cummins Engine Co. in foregoing SCR for its 2010 heavy-duty engines, while Volvo Powertrain (which supplies engines to Volvo Trucks North America and Mack Trucks) and Detroit Diesel Corp. plan to incorporate SCR technology into their 2010 engines.
www.internationaltrucks.com

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