Speed optimization for maximizing the ship’s economic benefits considering the Carbon Intensity Indicator (CII)

Hua, Rui; Yin, Jingbo; Wang, Shaohan; Han, Yi; Wang, Xinbo

doi:10.1016/j.oceaneng.2024.116712

Ocean Engineering

2024

DOI: 10.1016/j.oceaneng.2024.116712

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Speed optimization for maximizing the ship’s economic benefits considering the Carbon Intensity Indicator (CII)

Rui Hua,

Jingbo Yin,

Shaohan Wang

et al.

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2024

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Cited by 7 publications

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Data collection framework for enhanced carbon intensity indicator (CII) in the oil tankers

Sardar,

Anantharaman,

Islam

et al. 2024

Can J Chem Eng

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The International Maritime Organization (IMO) aims to reduce greenhouse gas (GHG) emissions by 40% by 2030 compared with 2008. The carbon intensity indicator (CII) calculates the annual reduction factor required to continuously improve a ship's operational carbon intensity at a specific rating level. Verification and documentation of the achieved annual operational CII against the prescribed target are necessary to establish the operational carbon intensity rating. This study focuses on the intricate process of data collection for CII within the oil shipping industry, targeting engineering departments and shipboard management teams. Against the backdrop of the industry's substantial carbon dioxide emissions, the IMO has mandated the calculation of CII values for ships exceeding 5000 gross tons to promote sustainability and reduce environmental impact. We have collected emission data of 20 oil tankers over a period of 2 years using our ship maintenance and operating system (SMOS) and analyzed the data to compare the CII ratings. Our results indicate that a staggering ~63% of the vessels had the lowest CII rating of category E. It is therefore crucial to properly collect, organize, and evaluate data for CII calculation and take necessary measures to improve rating. This paper provides a deeper insight into the evolving CII calculation methodology, emphasizing the incorporation of correction factors and exclusions, and delineates the essential data collection practices needed to facilitate accurate CII calculations.

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Data collection framework for enhanced carbon intensity indicator (CII) in the oil tankers

Sardar,

Anantharaman,

Islam

et al. 2024

Can J Chem Eng

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Readiness and challenges of carbon capture technologies based on the shipping industry

Wu,

Zhang,

et al. 2024

Marine Pollution Bulletin

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Discussion on “Speed optimization for maximizing the ship's economic benefits considering the Carbon Intensity Indicator (CII) ” by R Hua, J Yin, S Wang, Y Han, and X Wang (https://doi.org/10.1016/j.oceaneng.2024.116712)

Xuebin

2024

Ocean Engineering

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Speed optimization for maximizing the ship’s economic benefits considering the Carbon Intensity Indicator (CII)

Cited by 7 publications

References 18 publications

Data collection framework for enhanced carbon intensity indicator (CII) in the oil tankers

Data collection framework for enhanced carbon intensity indicator (CII) in the oil tankers

Readiness and challenges of carbon capture technologies based on the shipping industry

Discussion on “Speed optimization for maximizing the ship's economic benefits considering the Carbon Intensity Indicator (CII) ” by R Hua, J Yin, S Wang, Y Han, and X Wang (https://doi.org/10.1016/j.oceaneng.2024.116712)

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