The paper presented a comprehensive LCA study of the vehicle seat, which was used to evaluate the effect of weight reduction on the life cycle phases of different vehicle models. The LCA results obtained in this research indicate that better fuel economy of newer vehicles has reduced the impact of the vehicle use phase relative to the environmental impact of other life cycle phases. The significant improvement in emissions performance has resulted in further use phase impact reductions, especially in the following impact categories: POCP, AP, and ADP. These improvements have dramatically changed the relative impacts of manufacture, use and end of life phases. As a result of this there can be no clear cut verdict on environmental impacts of weight reduction by simply increasing lightweight material content to replace the current steel components until a complete Life Cycle Assessment of the alternative materials is analysed in detail, with a particular focus on material production phase. As shown in the paper, newer vehicle scenarios are increasingly dominated by both manufacture and end-of-life phases. Furthermore, the results obtained in this research indicate that the role of plastics both in manufacture and, also, end-of-life plays a dominant role in contributing to around 70 % of the EP readings in the respective phases. Bearing in mind the contribution of plastics in both manufacture and end-of-life scenarios, the application of such materials in seat design should not be assumed as necessarily being the best case scenario from an environmental standpoint. Possible alternatives lie in renewable plastics or current plastic compounds especially designed for recycling processes. Selection and treatment of such materials will become an increasingly important factor in vehicle life cycle design in the future as the environmental impact weighting shifts from the use phase to the manufacturing and end-of-life phase.


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    Titel :

    Comparative life cycle assessment (LCA) of passenger seats and their impact on different vehicle models


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    2010


    Format / Umfang :

    21 Seiten, 20 Bilder, 4 Tabellen, 19 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch






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