ISWG20 Publications

ISWG-GHG 20-2-31 - Amplifying the policy signal for the production and uptake of e-fuels through the IMO Net-... (CSC)

This document highlights the lack of strong signals from the IMO Net-Zero Framework for e-fuels in shipping’s transition.

September 5, 2025

ISWG-GHG 20-3-7 - Re-establishment of the correspondence group on other social and economic sustainability a... (CSC)

This document encourages the re-establishment of the correspondence group looking at “other social and economic sustainability themes/aspects of marine fuels” for potential inclusion in the 2024 Guidelines on life cycle GHG intensity of marine fuels (2024 LCA Guidelines).

September 5, 2025

ISWG-GHG 20/3/8: Developing a quantitative risk-based approach to manage indirect land use change emissions under the IMO Net-Zero Framework

This document reviews the treatment of indirect land use change (ILUC) within the 2024 Guidelines on life cycle GHG intensity of marine fuels (2024 LCA Guidelines) (resolution MEPC.391(81)).

September 5, 2025

ISWG-GHG 20-3-9 - Literature review on well-to-tank emissions from liquefied natural gas (LNG) - a case stud... (CSC)(1)

This document shares the findings of a literature review and summary report on the well-to-tank (WtT) GHG intensity of liquefied natural gas(LNG).

September 5, 2025

ISWG-GHG 20-4-2 - Capturing energy efficiency in the Fifth IMO GHG Study (CSC)

This document presents the rationale for ensuring that the Fifth IMO GHG Study properly captures historic trends and the future potential of improvements in energy efficiency, as distinct from carbon intensity, and further argues for greater transparency and data granularity. It makes suggestions for changes to the draft terms of reference contained in document MEPC 83/7/2 (Secretariat) to those ends.

September 5, 2025