01476nam 2200361I 450 991071285650332120200129102809.0(CKB)5470000002497617(OCoLC)1137791057(EXLCZ)99547000000249761720200129d1979 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierCatalyst effectiveness of high mileage in-use vehicles /by Lois Platte[Ann Arbor, Mich.] :Test and Evaluation Branch, Emission Control Technology Division, Office of Air, Noise, and Radiation, United States Environmental Protection Agency,1979.1 online resource (13 pages) illustrations"EPA-AA-TEB-80-5.""December 1979."AutomobilesUnited StatesCatalytic convertersObservationsAutomobilesMotorsExhaust gasUnited StatesObservationsAutomobilesCatalytic convertersAutomobilesMotorsExhaust gasPlatte Lois1393952United States.Environmental Protection Agency.Office of Mobile Source Air Pollution Control.Emission Control Technology Division.Test and Evaluation Branch,GPOGPOBOOK9910712856503321Catalyst effectiveness of high mileage in-use vehicles3450641UNINA