Sustainable energy propulsion system for sea transport to achieve United Nations sustainable development goals: a review

Zhi Yung Tay*, Dimitrios Konovessis

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

15 Citations (Scopus)
159 Downloads (Pure)

Abstract

The cost of renewable energy technologies such as wind and solar is falling significantly over the decade and this can have a large influence on the efforts to reach sustainability. With the shipping industry contributing to a whopping 3.3% in global CO2 emissions, the International Maritime Organization has adopted short-term measures to reduce the carbon intensity of all ships by 50% by 2050. One of the means to achieve this ambitious target is the utilisation of propulsion systems powered by sustainable energy. This review paper summarises the current state of the adoption of renewable energy and alternative fuels used for ship propulsion. Special focus is given to the means of these alternative energies in achieving the United Nations Sustainable Development Goals, in particular Goal 7 (Affordable and Clean Energy), Goal 9 (Industry, Innovation and Infrastructure) and Goal 13 (Climate Action). A state-of-the-art for various ships powered by renewable energy and alternative fuels is investigated and their technologies for mitigating carbon emissions are described. The cost for each technology found in the literature is summarised and the pros and cons of each technology are studied.
Original languageEnglish
Article number20
Number of pages34
JournalDiscover Sustainability
Volume4
DOIs
Publication statusPublished - 6 Apr 2023

Keywords

  • renewable energy
  • alternative fuels
  • green shipping
  • climate change
  • UN Sustainable Development Goals

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