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ms-mailings -- Field Evaluation of Heavy-Duty Diesel NOx Control Strategies

Posted: 25 Jan 2013 11:50:35
The California Air Resources Board (ARB) staff conducted a
follow-up field investigation and a new investigation to consider
NOx control strategies for on-road heavy-duty diesel (HDD)
engines equipped with SCR and non-SCR technology. ARB staff
conducted a follow-up field investigation on certain on-road
heavy-duty diesel (HDD) engines equipped with Selective Catalytic
Reduction (SCR) technology that was previously reported in 2011. 
Additionally, staff conducted a new field study investigating NOx
control strategies on HDD engines equipped with SCR and non-SCR
technology that included field surveys, on-road drivability
evaluations and emissions testing.  All questions regarding this
report should be directed to Mr. Tom Valencia, Manager, In-Use
Compliance Section, Mobile Source Operations Division,
626-575-6741.   

http://www.arb.ca.gov/msprog/cihd/resources/reports/scrreportfinal.pdf

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