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dc.contributor.authorGIECHASKIEL BAROUCHen_GB
dc.contributor.authorCLAIROTTE MICHAELen_GB
dc.contributor.authorVALVERDE MORALES VICTORen_GB
dc.contributor.authorBONNEL PIERREen_GB
dc.contributor.authorKREGAR ZLATKOen_GB
dc.contributor.authorFRANCO VICENTEen_GB
dc.contributor.authorDILARA PANAGIOTAen_GB
dc.date.accessioned2018-07-12T00:18:35Z-
dc.date.available2018-07-10en_GB
dc.date.available2018-07-12T00:18:35Z-
dc.date.created2018-06-18en_GB
dc.date.issued2018en_GB
dc.date.submitted2018-06-05en_GB
dc.identifier.citationENVIRONMENTAL RESEARCH vol. 166 p. 251-260en_GB
dc.identifier.issn0013-9351en_GB
dc.identifier.urihttp://publications.jrc.ec.europa.eu/repository/handle/JRC112196-
dc.description.abstractEuropean regulation 2016/427 (the first package of the so-called Real-Driving Emissions (RDE) regulation) introduced on-road testing with Portable Emissions Measurement Systems (PEMS) to complement the chassis dynamometer laboratory (Type I) test for the type approval of light-duty vehicles in the European Union since September 2017. The Not-To-Exceed (NTE) limit for a pollutant is the Type I test limit multiplied by a conformity factor that includes a margins for the additional measurement uncertainty of PEMS relative to standard laboratory equipment. The variability of measured results related to RDE trip design, vehicle operating conditions, and data evaluation remain outside of the uncertainty margin. The margins have to be reviewed annually (recital 10 of regulation 2016/646). This paper lays out the framework used for the first review of the NOx margin, which is also applicable to future margin reviews. Based on experimental data received from the stakeholders of the RDE technical working group in 2017, a NOx margin of 0.24 to 0.43 was calculated, accounting for different assumptions of possible zero drift behaviour of the PEMS during the tests. The reduced uncertainty margin compared to the one foreseen for 2020 (0.5) reflects the technical improvement of PEMS over the past few years.en_GB
dc.description.sponsorshipJRC.C.4-Sustainable Transporten_GB
dc.format.mediumOnlineen_GB
dc.languageENGen_GB
dc.publisherACADEMIC PRESS INC ELSEVIER SCIENCEen_GB
dc.relation.ispartofseriesJRC112196en_GB
dc.titleFramework for the assessment of PEMS (Portable Emissions Measurement Systems) uncertaintyen_GB
dc.typeArticles in periodicals and booksen_GB
dc.identifier.doi10.1016/j.envres.2018.06.012en_GB
JRC Directorate:Energy, Transport and Climate

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