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    Analyzing the hydrogen supply chain for airports: Evaluating environmental impact, cost, sustainability, viability, and safety in various scenarios for implementation
    (Elsevier, 2023) Degirmenci, Hursit; Uludag, Alper; Ekici, Selcuk; Hikmet Karakoc T.
    It is a matter of great concern that the aviation industry, which has made significant contributions to the transportation sector, relies heavily on nonrenewable fossil fuels that are causing substantial pollution, leading to the industry’s unsustainability. To address this issue, the industry has shifted its focus towards sustainable aviation fuels, with hydrogen fuel showing great promise due to its clean and eco-friendly nature. However, the adoption of hydrogen as an energy carrier in aviation presents several challenges, including the lack of a supply chain comparable to that of kerosene, which is currently the primary fuel used in aviation. The supply chain for hydrogen involves various sub-sections such as production, liquefaction, transport, storage, and distribution. This study aims to analyze the hydrogen supply chains for airports and to develop scenarios for its imple mentation. The study evaluates the environmental impact, cost, sustainability, viability, and safety in different supply chain scenarios, as well as recommending a comprehensive approach to supply chain development that involves collaboration between industry, government, and academia.
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    Challenges, prospects and potential future orientation of hydrogen aviation and the airport hydrogen supply network: A state-of-art review
    (Elsevier, 2023) Degirmenci, Hursit; Uludag, Alper; Ekici, Selcuk; Karakoc, T. Hikmet
    The use of fossil fuels, which are employed to supply the energy needs of aircraft, is currently causing severe environmental concerns, placing pressure on the aviation industry and mandating specific action. Sustainable aviation fuels that would lessen the aviation industry’s environmental effects are viewed as a potential substitute for fossil fuels. Hydrogen, a clean energy carrier, is regarded as the most promising of these fuels. This paper provides a historical overview of hydrogen-powered aviation, as well as an analysis of the hydrogen supply network, which is regarded as a critical component. As part of the Sustainable Development Goals (SDGs), this study offers a future-oriented concept as well as challenges, prospects, potential future orientation and modifications that can be made to the hydrogen supply network for full decarbonization.