HighlightsThis study challenges the IMO environmental & regulatory rules for shipping.Tighter SOx and NOx limits globally gives negligible or negative environmental benefits.Risk of scrubbing and tuning, become dominant responses with current regulations.Risks of deflecting attention from development of cleaner fuels.Need for policies to balance local environmental benefits and greenhouse gas mitigation.

    AbstractEmission regulations for Sulphur oxides (SOx) and nitrogen oxides (NOx) are motivated by health- and other environmental objectives in local and regional settings, while global warming concerns motivate policies for carbon dioxide (CO2). We point out that the direction chosen by the International Maritime Organization (IMO) – to tighten SOx and NOx limits globally – carries important risks. First, extending to a global setting the present regulations in coastal emission control areas (ECAs, in North America and Northern Europe) gives negligible or negative environmental benefits, and raises global warming impacts. Second, ‘end-of-pipe’ solutions, such as scrubbing and tuning, become dominant responses, and they reduce energy efficiency. Third, the adoption of these end-of-pipe solutions carry risks of deflecting attention from development of cleaner fuels and improving energy efficiency. Distinguishing local environmental benefits from global ones is important in general, and our research concludes that in the case of shipping, this distinction better serves the needs of the local environment, the global climate, and conserves on abatement costs.


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    Titel :

    Environmental regulations in shipping: Policies leaning towards globalization of scrubbers deserve scrutiny


    Beteiligte:


    Erscheinungsdatum :

    2016-01-01


    Format / Umfang :

    10 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch