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tru -- CARB verifies Rypos DPF/ULETRU for reefer engines Posted: 13 Dec 2011 10:22:52
The California Air Resources Board (ARB) has verified the Rypos DPF/ULETRU (Level 3+) diesel particulate filter (DPF) for use on certain trailer transport refrigeration unit (TRU) using 2003 and newer model year engines. The Rypos DPF/ULETRU can be used to comply with ARBís Ultra-Low-Emission TRU (ULETRU) In-Use Performance Standard on certain trailer TRUs using 2003 and newer model year engines. Compliance information related to the TRU Airborne Toxic Control Measure is available at: http://www.arb.ca.gov/diesel/tru/tru.htm The RYPOS DPF/ULETRU is an active diesel exhaust filter system. It consists of a filter housing, electrical control circuit, and filter cartridges made of sintered metal fibers. The RYPOS DPF/ULETRU uses controlled electric heating for reliable regeneration of the filter cartridges. A diesel oxidation catalyst (DOC) attached between the engine exhaust manifold and the inlet of the filter is added to remove the soluble organic fraction (SOF) while reducing carbon monoxide (CO), and total hydrocarbon emissions (THC). It is microprocessor controlled with a backpressure control system, an electrical control circuit, and a backpressure warning indicator. TRU owners should read about the specific conditions for which the DPF/ULETRU has been approved in the Executive Order (EO), which will be posted within a few days on ARBís Verification Procedure Ė Level 3 webpage at http://www.arb.ca.gov/diesel/verdev/level3/level3.htm. Specific engine models and families that apply are listed in the EO's attachment, will also be listed at the above webpage within a few days. Further information may be found at Rypos' website at: www.rypos.com TRUs are refrigeration systems powered by diesel internal combustion engines designed to control the environment of temperature-sensitive products that are transported in trucks, trailers, shipping containers, and railcars. These units operate at distribution centers, grocery stores and other facilities which are often in close proximity to residential neighborhoods. The emissions from TRUs pose a potential threat to both public health and the environment. Information about the current TRU ATCM is available at the TRU Website at: http://www.arb.ca.gov/diesel/tru/tru.htm If you have any questions, please contact the TRU Help Line at 1-888-878-2826 or call 916-327-8737.