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Article: Reducing the emissions 'haystack': ACS/AEI team partners with Caterpillar on advanced diesel emissions test cells; less test variability brings better solutions.(test equipment)
- Article from:
- Diesel Progress North American Edition
- Article date:
- February 1, 2005
- Author:
CopyrightCOPYRIGHT 2005 Diesel & Gas Turbine Publications. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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When new emissions regulations are formulated, far more than engines are affected. Development and test facilities must also progress and improve. The EPA's new on-highway regulations scheduled to go into effect in 2007 and 2010, along with new rounds of off-road regulations pending in 2006 and beyond, are especially challenging in that they require accurate measurement of dramatically reduced N[O.sub.x] and particulate emissions levels. As one observer put it, to verify that their engines meet the standards, engine manufacturers have to get very good at measuring almost nothing.
As a major manufacturer of truck diesel engines, Caterpillar determined that it ...