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Assessing the potential of hybrid energy technology to reduce exhaust emissions from global shipping

Listed author(s):
  • Dedes, Eleftherios K.
  • Hudson, Dominic A.
  • Turnock, Stephen R.
Registered author(s):

    The combination of a prime mover and an energy storage device for reduction of fuel consumption has successfully been used in automotive industry. The shipping industry has utilised this for conventional submarines. The potential of a load levelling strategy through use of a hybrid battery–diesel–electric propulsion system is investigated. The goal is to reduce exhaust gas emissions by reducing fuel oil consumption through consideration of a re-engineered ship propulsion system. This work is based on operational data for a shipping fleet containing all types of bulk carriers. The engine loading and the energy requirements are calculated, and sizing of suitable propulsion and the battery storage system are proposed. The changes in overall emissions are estimated and the potential for fuel savings identified. The efficiency of the system depends on the storage medium type, the availability of energy and the displacement characteristics of the examined vessels. These results for the global fleet indicate that savings depending on storage system, vessel condition and vessel type could be up to 0.32 million tonnes in NOx, 0.07 million tonnes in SOx and 4.1 million tonnes in CO2. These represent a maximum 14% of reduction in dry bulk sector and 1.8% of world's fleet emissions.

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    File URL: http://www.sciencedirect.com/science/article/pii/S030142151100735X
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    Article provided by Elsevier in its journal Energy Policy.

    Volume (Year): 40 (2012)
    Issue (Month): C ()
    Pages: 204-218

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    Handle: RePEc:eee:enepol:v:40:y:2012:i:c:p:204-218
    DOI: 10.1016/j.enpol.2011.09.046
    Contact details of provider: Web page: http://www.elsevier.com/locate/enpol

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    1. Osborne, Michael J., 2010. "A resolution to the NPV-IRR debate?," The Quarterly Review of Economics and Finance, Elsevier, vol. 50(2), pages 234-239, May.
    2. Robert F Mulligan, 2008. "A Simple Model for Estimating Newbuilding Costs," Maritime Economics & Logistics, Palgrave Macmillan;International Association of Maritime Economists (IAME), vol. 10(3), pages 310-321, September.
    3. Baker, John, 2008. "New technology and possible advances in energy storage," Energy Policy, Elsevier, vol. 36(12), pages 4368-4373, December.
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