01723oam 2200433 450 991070470320332120130827134043.0(CKB)5470000002444698(OCoLC)857062825(OCoLC)995470000002444698(EXLCZ)99547000000244469820130827d2011 ua 0engurmn||||a||||rdacontentrdamediardacarrierAir quality modeling technical support document heavy-duty vehicle greenhouse gas emission standards final ruleResearch Triangle Park, NC :U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, Air Quality Assesment Division,2011.1 online resource (148 unnumbered pages) color illustrations, mapsTitle from title screen (viewed on Aug. 27, 2013)."August 2011"."EPA-454/R-11-004".Includes bibliographical references.Air quality modeling technical support document Greenhouse gasesStandardsUnited StatesMathematical modelsAir qualityStandardsUnited StatesAirPollutionUnited StatesMathematical modelsGreenhouse gasesStandardsMathematical models.Air qualityStandardsAirPollutionMathematical models.United States.Environmental Protection Agency.Air Quality Assessment Division,GPOGPOGPOBOOK9910704703203321Air quality modeling technical support document3443882UNINA