1. IMO: International Maritime Organization , Fourth IMO GHG Study 2020 Full Report , IMO, 4 Albert Embankment , London SE1 7SR , 2021
2. How to decarbonise international shipping: Options for fuels, technologies and policies
3. IMO: International Maritime Organization , Initial IMO GHG Strategy , https://www.imo.org/en/MediaCentre/HotTopics/Pages/Reducing-greenhouse-gas-emissions-from-ships.aspx , accessed August 9, 2021
4. IMO: International Maritime Organization , Prevention of Air Pollution from Ships , https://www.imo.org/en/OurWork/Environment/Pages/Air-Pollution.aspx , accessed August 9, 2021
5. IMO: International Maritime Organization , IMO's work to cut GHG emissions from ships , https://www.imo.org/en/MediaCentre/HotTopics/Pages/Cutting-GHG-emissions.aspx , accessed August 9, 2021