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tru -- Caution – Current TRU (reefer) models with less than 25 horsepower engines do not meet ULETRU Posted: 20 Feb 2013 15:04:25
A number of callers to the California Air Resources Board’s (ARB) Transport Refrigeration Unit (TRU) Help Line have expressed confusion over some of the new 2013 TRU models that are offered for sale by TRU manufacturers and their dealers. These callers had the expectation that model year 2013 engines for trailer TRUs would meet the Ultra-Low-Emission TRU (ULETRU) in-use performance standard -- that is definitely NOT true if the engine is rated at less than (<) 25 horsepower (hp). At this time, none of the TRU engines that are rated at <25 hp meet the ULETRU in-use performance standard, so they must still meet ULETRU before the end of their seventh year. TRU Advisory 12-22 (see link to TRU Advisories, below) explains the in-use compliance requirements and options for TRUs that are equipped with engines rated at <25 hp. Trailer TRU owners that wish to avoid the cost of compliance with the in-use standards at a later date may want to consider new TRU models that meet ULETRU. ARB now lists the TRU models that meet the ULETRU in-use standard on the TRU Website (see link below). At this time, ONLY the Thermo King Precedent S-Series models meet ULETRU, which include the S-600 and S-600M models. This list will be updated as additional new TRU models meeting ULETRU are introduced into the market. 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 TRU Advisories are listed at: http://www.arb.ca.gov/diesel/tru/advisories.htm 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 compliance or registration in ARBER, 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.