Recognizing the need to prevent and control air pollution from ships,Addition of AnnexⅥto the Convention, AnnexⅥentitled Regulations for the prevention of Air pollution from ships.

The paper briefly introduces the development trend in IMO future requirements for NOx emission from marine diesel engines, based on the relevant discussion and modification to MARPOL Annex Ⅵ on further reducing exhaust emission from marine diesel engines, analyses the impacts caused by these future standards and requirements, and provides the latest information for the parties concerned.