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Cummins Opts for SCR on Heavy-Duty Engines for 2010

Cummins Inc. that it will add Selective Catalytic Reduction (SCR) aftertreatment to its Heavy-Duty products to meet US EPA 2010 requirements for NOx levels, altering its earlier course. In September 2007, the company had announced that it would use no NOx aftertreatment to meet the 2010 requirements for its heavy-duty engines, while its MidRange would use SCR systems. (Earlier post.)

The EPA 2010 EPA emissions standards include a NOx target of 0.20 g/bhp-hr. For 2004, the heavy-duty NOx emissions target was 2.5 g/bhp-hr. The EPA is allowing NOx phase-in from 2007 through 2009 to reach the lower 2010 target.

Cummins now says it will combine recent advancements in catalyst technology with its engine systems, providing customers with significant fuel economy improvements, in addition to meeting the emissions levels required by EPA 2010 regulations. Cummins Emission Solutions, a leading provider of SCR systems, will supply integrated exhaust aftertreatment systems for Cummins Heavy-Duty and MidRange engines.

As previously announced, Cummins’ Heavy-Duty ISX engine family will incorporate the XPI fuel system, proven cooled Exhaust Gas Recirculation, the Cummins VG turbocharger, Cummins Particulate Filter and advanced electronic controls.

This move demonstrates Cummins’ ability to adapt to a changing environment by leveraging technology advancements from our MidRange engine development and Cummins Emission Solutions. Our 2010 engine development is progressing on plan and customers can depend on Cummins to deliver these new products on-time, with the reliability, performance, and fuel economy that they have come to expect from us.

—Ed Pence, Vice President and General Manager, Heavy-Duty Engine Business

Comments

x

now what?

zem

goes to show you shouldn't rely on credits

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