1. Reduction of GHG emissions from ships fourth IMO GHG study 2020 – final report;Faber,2020
2. Reduction of GHG emissions from ships third IMO GHG study 2014 – final report;Smith,2014
3. “Greenhouse gas emissions from global shipping, 2013–2015 | international council on clean transportation,”;Olmer,2017
4. “Beyond road vehicles: survey of zero-emission technology options across the transport sector | International Council on Clean Transportation,”;Hall,2018
5. IMO, “IMODOCS.” https://webaccounts.imo.org/(accessed Mar. 29, 2021).