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arbcombo -- ESW Technologies, ThermaCat e system

Posted: 18 Jul 2012 16:07:24
Verification of ESW Technologies, ThermaCat e system for 150 to
400 horsepower, exhaust gas recirculation equipped on-road

The Air Resources Board (ARB) has verified EWS Technologies,
ThermaCat-e diesel retrofit system for certain on-road vehicles
equipped with heavy-duty diesel engines with model years between
1994 and 2009 and can be equipped with exhaust gas recirculation
systems.  Approved engines are certified or equivalent to a
particulate matter emission level equal to or less than 0.1 grams
per brake horsepower-hour.  The ThermaCat e system is verified as
a Level 3 Plus diesel emission control system for use with 4 to
13 liters, 150 to 400 horsepower on-road diesel engines.  The
primary components of the actively regenerated ThermaCat e system
include a silicon carbide wall-flow filter, a diesel oxidation
catalyst and a system controller.  The ThermaCat e system is
compatible with on-road vehicles using diesel fuel that contains
up to 20 percent biodiesel.  The ThermaCat e system uses a
silicon carbide wall-flow filter with a fuel burner for
regeneration to achieve an 85 percent reduction in particulate
matter emissions.  Specific conditions for which the ThermaCat e
system has been approved may be found in the Executive Orders
which will be posted within ten days on ARBís website at:

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