Class 4 (4th Engineer) SSEP 📅 Jan 2025

Exam Question

(a) What do you understand by the term 'EEXI'? Provide an overview and its implementation process. (8)

(b) Discuss the improvement methods commonly considered in order to achieve energy efficiency optimization with respect to EEXI? (12)

Reference Answer

### (a) Understanding EEXI: Overview and Implementation
**1. Definition of EEXI (Energy Efficiency Existing Ship Index)**
EEXI stands for Energy Efficiency Existing Ship Index. It is a technical measure, developed and adopted by the International Maritime Organization (IMO) through amendments to MARPOL Annex VI, aimed at regulating and reducing greenhouse gas (GHG) emissions from international shipping. EEXI is specifically designed for *existing* ships, contrasting with the Energy Efficiency Design Index (EEDI) which applies to newbuilds.
**2. Overview of EEXI**

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