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Correction of the engine family list for Johnson Matthey CRT DPF
for On-road Applications. 

The Air Resources Board revised the engine family list in
Attachment 1 of Executive Order DE-07-002-01 to correct a
typographical error.  The Johnson Matthey Continuously
Regenerating Technology (CRT) Particulate Filter is verified as
a level 3 passively regenerating diesel emission control system
for use with all on-road applications powered by certain on-road
diesel engines with model years between 1994 and 2006.  Approved
engines are certified to a particulate matter emission level
equal to or less than 0.1 grams per brake horsepower-hour and
are not equipped with exhaust gas recirculation systems.  The
Johnson Matthey CRT uses a cordierite wall-flow filter with an
upstream diesel oxidation catalyst for regeneration to achieve
an 85 percent reduction in emissions of diesel particulate
matter.  Specific conditions for which the CRT has been approved
may be found in the Executive Order DE-07-002-02 which will be
posted within ten days on the ARB website at
http://www.arb.ca.gov/diesel/verdev/verdev.htm . 





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