This paper evaluates the greenhouse gas (GHG) emission impacts that result from individuals participating in carsharing organizations within North America. The authors con ducted an online survey with members of major carsharing organizations and evaluated the change in annual household emissions (e.g., impact) of respondents that joined carsharing. The results show that a majority of households joining carsharing are increasing their emissions by gaining access to automobiles. However, individually, these increases are small. In contrast, the remaining households are decreasing their emissions by shedding vehicles and driving less. The collective emission reductions outweigh the collective emission increases, which implies that carsharing reduces GHG emissions as a whole. The results are reported in the form of an observed impact, which strictly evaluates the changes in emissions that physically occur, and a full impact, which also considers emissions that would have happened but were avoided due to carsharing. The mean observed impact is -0.58 t GHG/year per household, whereas the mean full impact is -0.84 t GHG/year per household. Both means are statistically significant. We present a sensitivity analysis to evaluate the robustness of the results and find that the overall results hold across a variety of assumptions. The average observed vehicle kilometers traveled (VKT) per year was found to decline by 27%. We conclude with an evaluation of the annual aggregate impacts of carsharing based on current knowledge of the industry membership population.


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Greenhouse Gas Emission Impacts of Carsharing in North America


    Beteiligte:
    Martin, E. W. (Autor:in) / Shaheen, S. A. (Autor:in)


    Erscheinungsdatum :

    2011-12-01


    Format / Umfang :

    1360229 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Carsharing in North America

    Shaheen, Susan A. / Cohen, Adam P. / Roberts, J. Darius | Transportation Research Record | 2006


    A Calculation Model for Greenhouse Gas Emission Impacts of Electric Vehicle Carsharing

    Hu, Liang / Wang, Ming-Quan / Kong, De-yang | Tema Archiv | 2015


    North American Carsharing

    Shaheen, Susan A. / Cohen, Adam P. / Chung, Melissa S. | Transportation Research Record | 2009