The present statutory pollutant emission limits Euro-3 for motorbikes implicates the use of modern emission abatement systems such as three-way catalytic converters. Determining the quality of implementation of these new systems in different driving situations such as realworld driving is important, since motorbikes are commonly used for personal transportation in urban areas. For this reason, a test bench series was carried out with a sample of 10 motorbikes of state-of-the-art certification category Euro-3. Emission factors of regulated pollutants and CO2 are presented on the basis of the statutory driving cycle, the latest version of the real-world World Harmonized Motorbike Test Cycle (WMTC) and the real-world Common Artemis Driving Cycle (CADC). It can be stated that 7 out of 10 motorbikes fail to comply with the statutory emission limits. The results of both real-world driving cycles confirm remarkable traffic situation dependent emissions of HC in urban and NOx in motorway driving conditions. CO emissions of motorbikes with small displacement increase significantly in the urban and extra-urban cycle sections of the CADC cycle, which has a more dynamic velocity profile than the respective WMTC cycle. Although pollutant emissions of motorbikes show a marked improvement compared with earlier certification classes, they clearly exceed the emission levels of modern light gasoline passenger cars, especially for CO and HC.


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    Titel :

    Assessing the performance of modern pollutant emission abatement systems on motorbikes


    Beteiligte:


    Erscheinungsdatum :

    2008


    Format / Umfang :

    8 Seiten, 5 Bilder, 1 Tabelle, 13 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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