CARB verifies Donaldson filter

Filter system supplier, Donaldson Company, Inc. has announced that the CARB has verified the company’s diesel multi-stage filter muffler system for 1991 –2002 model year diesel engines used in on-road applications operating on ultra-low-sulfur diesel fuel

Filter system supplier, Donaldson Company, Inc. has announced that the California Environmental Protection Agency’s Air Resources Board (CARB) has verified the company’s diesel multi-stage filter (DFM) muffler system for 1991 –2002 model year diesel engines used in on-road applications operating on ultra-low-sulfur diesel fuel. The verification includes DFM systems with or without the Donaldson Spiracle crankcase filter system.

The verification (as a CARB Level 2 device) acknowledges that the DFM system can provide particulate matter reductions between 50% and 85%. More specifically, Donaldson noted that the product, which uses series-mounted, flow-through filters, can reduce tailpipe particulate matter emissions by over 70% without the Spiracle crankcase and nearly 80% when it is applied and that it also meets California’s proposed NO2/NOx standard with a ratio of less than 20%.

Older diesel vehicles and engines must be evaluated under the terms of CARB’s Diesel Risk Reduction Plan and, whenever technically feasible and cost-effective, be retrofitted, re-powered, refueled or replaced to reduce diesel particulate emissions. The DFM system also meets the requirements of the U.S. EPA’s Voluntary Retrofit Program thanks to a reciprocity agreement with CARB.

“Donaldson is extremely pleased to receive this verification from CARB,” said Fred Schmidt, director of sales—Emission Group. “This Level 2 verification broadens Donaldson’s product portfolio and our ability to assist fleet owners in retrofitting their vehicles to meet the stringent CARB diesel reduction requirements.”

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