Navistar claims that “at least two European engine manufacturers are moving toward a non-SCR solution to meet Europes next emissions hurdle.” What is Cummins position on this?
Both EGR and SCR solutions have been used by European engine manufacturers to meet Euro 4 and Euro 5 regulations. No engine manufacturer has used EGR as its only approach. EGR-only solutions have been limited in their ability to deliver not only the fuel efficiency benefits, but also the performance required by customers. While no engine manufacturer has formally announced plans beyond Euro 5, it is widely expected that Euro 6 regulations will require the use of both EGR and SCR to achieve the near-zero NOx emissions, just like the EPA 2010 regulations. FAQ Sections: 2010 Heavy-Duty and MidRange products Cummins Aftertreatment System Diesel Exhaust Fluid Properties and Handling Guidelines Environmental and regulatory issues. For more information, please use the links above, or use the drop-down box at the top of this section.
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