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onrdiesel -- Truck and Bus Rule Fleet Calculator Posted: 23 Feb 2011 15:34:12
The California Air Resources Board (ARB or Board) staff has posted the fleet calculator to assist fleet owners in evaluating various compliance strategies to comply with the Truck and Bus Rule. The compliance tool is an Excel spreadsheet that allows the user to input the engine model year, and emission control technology assumptions to determine what compliance options may be available to comply with the regulation for each calendar year. Fleets can view automated compliance strategies for meeting the compliance schedule based on engine model year or can evaluate more flexible compliance strategies including the phase-in option, compliance credits, and special provisions. The tool is consistent with amendments considered by the Board in December 2010 and is available at: http://www.arb.ca.gov/msprog/onrdiesel/compliancetool.htm For factsheets, training dates, and other information about the regulation please visit at: www.arb.ca.gov/dieseltruck . If you have any questions, please call 866-6DIESEL (866-634-3735) or email at: firstname.lastname@example.org Background On December 11, 2008, the Board approved for adoption the Truck and Bus regulation to control emissions from nearly all existing diesel powered heavy-duty trucks and buses operating in California. The regulation became effective under California law on January 8, 2010. The regulation applies to diesel fueled trucks and buses with a gross vehicle weight rating (GVWR) greater than 14,000 pounds that are privately owned, federally owned, and to publicly and privately owned school buses. Local and state government owned diesel fueled trucks and buses are already subject to other ARB regulations. Reducing emissions from in-use trucks and buses is necessary to meet federally imposed clean air standards and to reduce the adverse health effects from truck and bus pollution. In an update to the Board on December 9, 2009, a staff analysis showed that because of the global recession emissions from trucks and buses covered by the regulation were lower than originally anticipated. The Board directed staff to propose amendments to the Truck and Bus Regulation that would provide additional flexibility for fleets without impairing the Stateís ability to meet federal air quality standards. On December 17, 2010, the Board considered amendments that would delay the initial requirement to install particulate matter (PM) retrofit filters by one year to January 1, 2012 and extended the time those vehicles would comply with PM filters installed. The amendments would also defer engine replacements for two years until January 1, 2015. Prior to 2020, replacements would be limited to 20 year old or older trucks that are not equipped with PM filters. By January 1, 2023, most vehicles would still need to have 2010 model year engines or equivalent.