Besides the further reduction of the harmful gaseous emissions (HC, CO and NOx) to reach upcoming emission limits, the discussion on lowering the CO₂ emissions is omnipresent. From engine development point of view further optimization of the stoichiometric-operated gasoline engine as well as the introduction of lean-operated engines are the main development trend.The emission control system can support the engine development by dedicated catalyst technologies as presented in this paper.A new family of TWC technologies offers to tune the catalyst system to the engine performance and the back pressure requirement - which helps to reduce CO₂ emissions. In addition these technologies show improved performance in HC, CO, NOx light-off, and in CO and NOx conversions under dynamic conditions - this again can positively impact the CO₂ emissions as less harsh heating strategies for cold start is required.By further optimization of the aftertreatment system with regard to system integration (catalyst volume, precious metal distribution, calibration) a considerable reduction in precious metal is realized with improved overall performance when compared to the current series applications.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Catalyst Technologies for Gasoline Engines with Respect to CO2 Reduction


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    SIAT 2011 ; 2011



    Publication date :

    2011-01-19




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Catalyst Technologies for Gasoline Engines with Respect to CO~2 Reduction

    Mueller, W. / Richter, J.-M. / Schmidt, M. et al. | British Library Conference Proceedings | 2011


    Emission Reduction Technologies in Cold Start of Gasoline Engines

    Nishizawa, K. | British Library Online Contents | 1996


    Development of new selective NOx reduction catalyst for gasoline leanburn engines

    Hori,M. / Okumura,A. / Goto,H. et al. | Automotive engineering | 1997


    Development of New Selective NOx Reduction Catalyst for Gasoline Leanburn Engines

    Okumura, Akihisa / Goto, Hideki / Tashiro, Keisuke et al. | SAE Technical Papers | 1997


    Development of New Selective NOx Reduction Catalyst for Gasoline Leanburn Engines

    Hori, M. / Okumura, A. / Goto, H. et al. | British Library Conference Proceedings | 1997