
MARPOL Convention: Amendments to Annex VI — 24 October 2025
Use of multiple operational profiles for a marine diesel engine, including clarification of engine test cycles and clarification of entries in data reports required under Regulations 27 and 28; designation of the North-East Atlantic as a new Emission Control Area; accessibility to the IMO Ship Fuel Oil Consumption Database (IMO DCS); and the review clause for the short-term GHG reduction measure. Summary: Outlines measures to refine marine engine compliance and emissions control: enabling multiple operational profiles, clarifying engine test cycles and data reporting under Regulations 27 and 28, designating the North-East Atlantic as a new Emission Control Area, improving access to the IMO fuel oil consumption database, and incorporating a review clause for short-term GHG reduction requirements.


