| Title | Ship Route Selection of Liner Shipping Sailing to Emission Control Areas - Scenario Analysis of Carbon Tax and Vessel Speed |
| Year | 2023 |
| Degree | Master |
| School | National Cheng Kung University Department of Transportation and Communication Management Science |
| Author | Hung, Chien-Chia |
| Summary | This study investigates the impacts of carbon tax imposition and vessel speed on the route selection of liner shipping services. The research data are constructed using activity-based models for Asia–America and Asia–Europe routes. By planning routes through sulfur emission control areas (ECAs) with two options: “geographical shortest path” and “shortest path through ECA,” the study calculates the resulting fuel costs and carbon emissions using fuel prices and emission factors of MGO and HSHFO fuels. Scenario analyses using three carbon taxation models and reduction in vessel speed are incorporated into the cost calculations, to determine the optimal routing selection for shipping companies. The analysis results show that reducing the sailing distance within the ECAs significantly reduces carbon emissions and costs in these areas. The price difference between MGO and HSHFO is insufficient to impact the costs of route selection; rather, route selection remains primarily determined by actual sailing distance. In the three carbon tax scenarios for the Asia–America and Asia–Europe service lines, considering the fuel cost per voyage, the “geographical shortest path” was identified as the optimal route choice, producing lower carbon emissions than the “shortest path through ECA.” Additionally, “reducing vessel speed” remains the most effective method for reducing voyage costs and carbon emissions, and it can effectively reduce tax burdens when carbon taxes are imposed in the future. |
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