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tru -- ARB clarifies concerns over 2014 TRUs Equipped with Tier 4i Flexibility Engines Posted: 27 Mar 2014 09:16:48
The email that the California Air Resources Board (ARB) sent to the Transport Refrigeration Unit (TRU or reefer) List Serve on March 25, 2014, included a conflicting statement about the operational life of TRUs and TRU generator sets (gen set) manufactured in 2014 that are equipped with Tier 4i flexibility engines. Please disregard the incorrect statement at the end of that message that indicated no loss of operational life. There is a loss in operational life for 2014-manufactured TRUs equipped with 2013-manufactured Tier 4i flexibility engines. A discussion of the in-use compliance deadline determination follows: Flexibility engines do not meet the emissions standards that are currently in effect at the time of engine manufacture. A Tier 4i flexibility engine’s effective model year is 2012 (the last year that Tier 4i was in effect). A 2014-manufactured TRU equipped with a 2013-manufactured Tier 4i flexibility engine (effective model year 2012) has a two year difference between the unit manufacture year and the effective model year of the flexibility engine (2014-2012 = 2). Therefore, the TRU Regulation at title 13 California Code of Regulations, section 2477.5(b)(6) requires the engine’s effective model year to be used to determine the ULETRU in-use performance standard compliance deadline: December 31st of the seventh year after the effective model year of the engine (2012). This results in the ULETRU in-use performance standard compliance deadline for these units being December 31, 2019. The manufacture year of a flexibility engine is not considered in the determination of the ULETRU in-use standard compliance deadline. In effect, the operational life of a 2014-manufactured TRU equipped with a 2013-manufactured Tier 4i flexibility engine is five years plus the remaining months in 2014 after the unit’s purchase. TRU Advisory 12-24 provides a more detailed explanation of the consequences of purchasing TRUs equipped with flexibility engines. TRU Advisories are listed at: http://www.arb.ca.gov/diesel/tru/advisories.htm Where can I get more information? For general information about the TRU Regulation, the TRU Website is at: http://www.arb.ca.gov/diesel/tru/tru.htm Information about Level 3 VDECS is at: http://www.arb.ca.gov/diesel/tru/tru.htm#mozTocId341892 The ARBER registration website is at: http://www.arb.ca.gov/arber/arber.htm ARBER Registration Help pages are at: http://www.arb.ca.gov/arber/trureg/trureg.htm If you have questions about in-use performance standard compliance, registration in ARBER, or in-use compliance extensions, please call the TRU Help Line at 1-888-878-2826 or call 1-916-327-8737. Background: TRUs are refrigeration systems powered by integral diesel internal combustion engines designed to control the environment of temperature-sensitive products that are transported in trucks, trailers, shipping containers, and railcars. The emissions from these units are a source of unhealthful air pollutants including particulate matter, toxic air contaminants, nitrogen oxides, carbon monoxide, and hydrocarbons, that all pose a potential threat to both public health and the environment. These units often congregate in large numbers at California distribution centers, grocery stores, and other facilities where they run for extended periods of time to ensure their perishable contents remain cold or frozen. These distribution and loading facilities are often in close proximity to schools, hospitals, and residential neighborhoods. In 2004, the TRU Airborne Toxic Control Measure (ATCM) was adopted by the Board to reduce diesel particulate matter emissions from TRUs and TRU gen set engines. Amendments were adopted by the Board in November 2010 and October 2011. California is in a drought emergency. Visit www.SaveOurH2O.org for water conservation tips.