== Abstract ==

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The main objective is to determinate the feasibility of Dual-Fuel retrofitting for engines present in Short Sea Shipping vessels. To accomplish this main objective there are other secondary objectives: - Integrate future environmental regulations to this paper forcing its achievement in this study - Determinate present day technologies capable to accomplish environmental regulations - Definition of shipping routes to study the proposed viability - Determinate the study vessel to obtain its measurements - Study Dual-Fuel, and other main engine types - Study Dual-Fuel and Scrubber System vessel’s retrofitting - Review of bunkering prices to do comparisons and to create different future scenarios according to the possible price evolution

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== Original document ==

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The different versions of the original document can be found in:

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* [http://hdl.handle.net/2099.1/16706 http://hdl.handle.net/2099.1/16706] under the license http://creativecommons.org/licenses/by-nc-sa/3.0/es/

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