Abstract Environmental concerns are currently a major issue in the maritime transportation industry. A practical approach to implementing green maritime transportation is to adopt liquefied natural gas (LNG) as marine fuel. Government subsidies would efficiently stimulate the adoption of LNG in maritime transportation as marine fuel. However, the question of how to determine the appropriate amount of subsidies has not yet been investigated in depth. In this paper, a trilevel programming model is proposed to address the subsidy optimization problem. Decisions at the government, port, and ship levels are integrated into the model, which aims to maximize the social benefit government’s net profit. Based on the behavior rules of ship operators, a tailored method is proposed to convert the bilevel (port level and ship level) problem into an equivalent single-level problem. Embedded in an enumeration algorithm, the method significantly reduces the difficulty of solving the problem. A series of numerical experiments with realistic parameters were conducted to show the significance of this study and validate the proposed model and algorithm.

    Highlights We study the government subsidy plan optimization problem for LNG as marine fuel. We propose a trilevel model that consists of the government, port, and ship levels. A tailored method is embedded in an enumeration algorithm to solve the model. A series of numerical experiments and systematic sensitivity analysis were conducted.


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    Title :

    Governmental subsidy plan modeling and optimization for liquefied natural gas as fuel for maritime transportation


    Contributors:


    Publication date :

    2021-11-06


    Size :

    18 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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