01698oam 2200409 450 991070368340332120151006083211.0(CKB)5470000002432874(OCoLC)905858546(EXLCZ)99547000000243287420150330d2004 ua 0engtxtrdacontentcrdamediacrrdacarrierSpark-ignition engine emission deterioration factors for the draft NONROAD2004 emissions model /Assessment and Standards Division, Office of Transportation and Air Quality, U.S. Environmental Protection AgencyRevised April 2004.[Washington, D.C.] :U.S. Environmental Protection Agency, Office of Transportation and Air Quality, Assessment and Standards Division,2004.1 online resource (16 unnumbered pages) illustrationsTitle from PDF title screen (viewed on March 30, 2015)."EPA420-P-04-011.""NR-011b.""April 2004."Includes bibliographical references (pages 12-13).Spark ignition enginesExhaust gasUnited StatesVehiclesMotorsExhaust gasUnited StatesOff-road vehiclesEnvironmental aspectsUnited StatesSpark ignition enginesExhaust gasVehiclesMotorsExhaust gasOff-road vehiclesEnvironmental aspectsELCELCGPOBOOK9910703683403321Spark-ignition engine emission deterioration factors for the draft NONROAD2004 emissions model3217169UNINA