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Extension of the Engine Control Systems Purifilter H On-Road
Verification to include Federally certified engines.

 

The Air Resources Board has extended the on-road verification of
the Engine Control Systems (ECS) Purifilter H diesel particulate
filter to include select diesel engines with model years 1994 to
2006 certified by the United States Environmental Protection
Agency (EPA) for sale in 49 states.  The Purifilter H is a
passively-regenerating filter that uses a silicon carbide
wall-flow filter to achieve an 85 percent reduction in
particulate matter emissions.  Specific conditions for which the
Purifilter H has been approved may be found in the Executive
Order on the ARB website at
http://www.arb.ca.gov/diesel/verdev/verdev.htm . 

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