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Measuring the sustainability of marine fuels: A fuzzy group multi-criteria decision making approach

机译：测量船用燃料的可持续性：一种模糊的多标准决策方法

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摘要

The use of alternative energy sources instead of HFO has been recognized as a promising way for reducing emissions from shipping and promoting the development of green shipping. However, it is usually difficult for the decision-making to select the best choice among multiple alternative marine fuels. In order to address this, a complete criteria system for sustainability assessment of alternative marine fuels was firstly established, and a fuzzy group multi-criteria decision making method has been developed to rank the alternative marine fuels by combining fuzzy logarithmic least squares and fuzzy TOPSIS (Technique for Order Performance by Similarity to Ideal Solution). Fuzzy logarithmic least squares method has been employed to determine the weights of the criteria for sustain ability assessment, and fuzzy TOPSIS was employed to determine the sustainability order of the alternatives. An illustrative case with three alternative marine fuels including methanol, LNG and hydrogen has been studied by the proposed method, and hydrogen has been recognized as the most sustainable scenario, follows by LNG, and methanol in the descending order. The results show that the proposed method is feasible for prioritizing the alternative marine fuels; it also has the ability to help the decision-makers to select the most sustainable option among multiple marine fuels. (C) 2017 Elsevier Ltd. All rights reserved.
机译：使用替代能源代替HFO已被公认为是减少运输排放并促进绿色运输发展的有前途的方法。但是，决策人员通常难以在多种替代船用燃料中选择最佳选择。为了解决这个问题，首先建立了完整的替代海洋燃料可持续性评估标准体系，并开发了一种模糊组多准则决策方法，通过将模糊对数最小二乘和模糊TOPSIS相结合来对替代海洋燃料进行排名（通过类似于理想解决方案的订单性能技术）。采用模糊对数最小二乘方法确定维持能力评估标准的权重，采用模糊TOPSIS确定替代方法的可持续性顺序。通过提出的方法研究了使用三种替代船用燃料（包括甲醇，LNG和氢）的说明性案例，并且氢被认为是最可持续的方案，其次是LNG和甲醇。结果表明，该方法对船用替代燃料的优先排序是可行的。它还有能力帮助决策者在多种船用燃料中选择最可持续的选择。 （C）2017 Elsevier Ltd.保留所有权利。

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