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bus-ub -- Oxides of Nitrogen (NOx) Requirments for 2007, 2008, and 2009
Posted: 09 Sep 2009 09:13:51
The purpose of this advisory is to remind transit agencies with over 30 urban buses who have opted to comply with the Urban Bus regulation by meeting the “diesel path” requirements. These fleets must mitigate oxides of nitrogen (NOx) emissions when purchasing model year 2007, 2008, or 2009 urban buses with engines certified above 0.2 grams per brake horse power-hour NOx [title 13, California Code of Regulations, section 2023.1(a)(5)] More information can be found in Mail-out #MSC 09-28 online at: http://www.arb.ca.gov/msprog/mailouts/msc0928/msc0928.pdf
