Navigating New Regulations: MEPC's Commitment to Cleaner Marine Diesel Engines

The 81st session of the Marine Environmental Protection Committee (MEPC) marks a significant advancement in international maritime environmental protection with the focus on cleaner marine diesel engines. At the forefront of these efforts are the amendments to regulation 13.2.2 of MARPOL Annex VI and the associated guidelines, which emphasize the importance of reducing emissions and improving reporting and transparency.

A Pivotal Step in Marine Emission Control

On January 26, 2024, the MEPC submitted a crucial document, offering a transparent template for instances where a Tier II engine is installed instead of the expected Tier III engine. This move not only signals the committee's dedication to environmental accountability but also sets a precedent for future regulations.

Important Dates in Emission Regulation Evolution

The introduction of new guidelines and the establishment of the Global Integrated Shipping Information System (GISIS) for reporting have been landmarks in the regulatory landscape. This system is instrumental in keeping track of the feasibility and exemptions regarding the installation of Tier III engines, as highlighted in the recent MEPC documentation.

The Legal Framework: Stricter Regulations and Reporting

The MEPC's amendments to MARPOL Annex VI are a testament to the organization's proactive approach to environmental protection. These amendments, discussed extensively in the January 2024 MEPC document, underline the necessity for Parties to report installations of Tier II engines in Emission Control Areas (ECA), where Tier III engines were not found feasible.

Technological Feasibility: Tier II Versus Tier III

The differentiation between Tier II and Tier III engines concerns the level of emissions, particularly nitrogen oxides (NOx). Tier III standards are much stricter and apply to ships operating in designated NECAs. The MEPC document provides a framework for reporting cases where the installation of a Tier III engine is not possible, thereby ensuring the continued push towards lower emissions.

GISIS: A New Frontier for Transparency

The MEPC document underscores the importance of the GISIS platform as a mechanism for increased transparency and communication between Parties and the IMO. Through GISIS, detailed information about the engine installations and the justifications for not implementing Tier III standards will be available, as proposed in the document.

Looking Forward: A Call for Global Participation

As the MEPC document suggests, the role of Parties in reporting and adhering to these regulations is critical for the success of the international regulatory framework. The guidelines set forth by MEPC encourage a collaborative approach, urging nations to share their challenges and solutions in striving for cleaner marine engines.

Also read:

International Maritime Action Against Marine Plastic Pollution

For more information, please see the documents below (available only to subscribers):

CONSIDERATION AND ADOPTION OF AMENDMENTS TO MANDATORY INSTRUMENTS