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Brodogradnja : An International Journal of Naval Architecture and Ocean Engineering for Research and Development, Vol. 75 No. 2, 2024.

Review article

https://doi.org/10.21278/brod75202

The decarbonisation of the maritime sector: Horizon 2050

José Miguel Mahía Prados orcid id orcid.org/0009-0009-7063-554X ; Energy Engineering Research Group, University Institute of Maritime Studies, ETSNM, University of A Coruña *
Ignacio Arias Fernández ; Energy Engineering Research Group, University Institute of Maritime Studies, ETSNM, University of A Coruña
Manuel Romero Gómez ; Energy Engineering Research Group, University Institute of Maritime Studies, ETSNM, University of A Coruña
Manuel Naveiro Parga ; Energy Engineering Research Group, University Institute of Maritime Studies, ETSNM, University of A Coruña

* Corresponding author.

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Abstract

The decarbonisation of the maritime sector is one of the world's priorities to reduce the volume of polluting emissions. The basis of this decarbonisation is the adaptation of existing ships to emission control regulations by means of transformations, installation of new equipment, development of new low-emission fuels and development of the infrastructure that makes the supply of this new generation of fuels feasible. In addition, hydrogen is the energy vector for all these new technologies, and its role over the next 30 years needs to be addressed. In a changing global situation such as the one we are currently experiencing; this article has the objective of making a review paper on the different fuels currently being used in the maritime sector and the existing alternatives. It also discusses the situation and the impact the current environmental situation has on the world ship order book, both in terms of legislation and economics. As a conclusion, the Liquefied Natural Gas (LNG) will have a very important role to play as a bridge between the current situation and the development of hydrogen technology. Hydrogen is an energy vector that can achieve the decarbonisation objectives by 2050. Storage problems, lack of infrastructures to supply it and the development of technology and regulations are the major challenges it will have to face. Biofuels also present a serious proposal for the decarbonisation of the sector, and the role of hydrogen in their composition, is essential to achieve green fuel generation.

Keywords

Decarbonisation; Hydrogen; New fuels; Marine sector; Emission

Hrčak ID:

316165

URI

https://hrcak.srce.hr/316165

Publication date:

1.4.2024.

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