MEPC 82 Submission Aims To Refine CII Implementation

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RINA has submitted a document to the International Maritime Organization (IMO), given MEPC 82, focusing on evaluating the Carbon Intensity Indicator (CII), reports Safety4sea.

Refining CII implementation

This document provides an update on the comprehensive project led by the Maersk Mc-Kinney Møller Center for Zero Carbon Shipping. The project incorporates detailed operational data from various ship categories and voyages, provided by project partners, to enable a thorough analysis.

The goal of the CII assessment is to identify elements that contribute positively to ship performance and highlight areas that may require revision, considering both underway and non-underway operational modes and the different fuel consumers on board.

For container ships, tankers, and bulk carriers, the study highlights two key methods to improve the CII metric. First is the Energy Efficiency Operational Indicator (EEOI), which focuses on rewarding capacity utilization and driving efficiency. The second is the introduction of a sea passage propulsion-only metric, which emphasizes better voyage performance, encouraging ships to reduce emissions during the propulsion phase.

Key findings

  • Improved engine management: Better management of auxiliary engines and boilers can help reduce emissions during sea passages.
  • New emission regulations: New rules might be needed to measure and control emissions by ship type and separately for main engine emissions in port.
  • Impact of external factors: Regional, economic, and geopolitical factors affect capacity usage. Verifying cargo loads is important to avoid inefficient ballast voyages.
  • Data collection for emissions: The enhanced Data Collection System (DCS) agreed upon at MEPC 81 will help in creating accurate emission regulations and energy strategies.

For more information, you can find the submission by registering here.

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Source: Safety4sea