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onrdiesel -- Advisory 427 regarding administrative change regarding agricultural vehicles and sweepers Posted: 15 Apr 2011 16:08:21
Advisory 427 explains administrative changes in implementing the requirements of the Truck and Bus Regulation for agricultural vehicles and street sweepers. The definition of “Farming Business” was clarified to allow farm management companies, that do not own or lease land, to take advantage of the agricultural vehicle provisions. Also, the advisory formally identifies that the reporting date for agricultural vehicles and two-engine sweepers has been postponed from March 31, 2011 to April 29, 2011. All specialty vehicles reported by March 31, 2010 and met the requirements for the specialty vehicle exemptions have been approved for the exemption. Additional exemptions could be approved up to the allowable limits for vehicles that are eligible for the specialty vehicle exemption and are reported by April 29, 2011. The date for labeling the agricultural vehicles that meet the requirements for the extension has also been postponed to June 1, 2011. The advisory is available at http://www.arb.ca.gov/enf/advs/advs427.pdf For additional information about the regulation, please visit our web site at: http://www.arb.ca.gov/dieseltruck Regulation Background On December 11, 2008, the Air Resources Board (ARB or 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. On December 17, 2010, the staff recommended amendments, which are presently pending adoption, which would delay the initial requirement to install particulate matter (PM) retrofit filters by one year to January 1, 2012 and extend the time before a vehicle equipped with a PM filter would have to have an engine that meets 2010 model year emission standards. The amendments would also defer engine replacements for vehicles without PM filters 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 be equipped with an engine meeting 2010 model year emission standards.