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Impact of Carbon Intensity Indicator on the Vessels’ Operation and Analysis of Onboard Operational Measures

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  • Livia Rauca

    (Faculty of Transport, University Politehnica from Bucharest, Spl. Independentei No. 313, 060042 Bucharest, Romania)

  • Ghiorghe Batrinca

    (Department of Transport Management, Constanta Maritime University, Romania 194 Mircea cel Batrin Street, 900663 Constanta, Romania)

Abstract

The new carbon intensity indicator (CII) is an operational tool that is part of SEEMP III and came into force on 1 January 2023. It is a measure of a vessel’s efficiency in CO 2 emitted per deadweight nautical mile and is aimed at supporting the decarbonization of maritime transportation. There are studies indicating that no matter which CII option is applied, the overall CO 2 emissions can increase, and maybe the proposal of a new CII is required. It has been suggested that an average CII could be calculated for an entire company rather than for each individual ship. This case study analyzed the 1-year calendar routes of four vessels (one container carrier, two bulk carriers, and one tanker vessel); the CII results were evaluated, and further operational measures were applied to improve the CII rating. It was observed that CII is highly dependent on idle and laden voyages, and very good cooperation between shipowners and charterers is a must. The anchor/drifting and port times must be reduced to the minimum, and vessels’ schedules should be adjusted for just-in-time arrival to optimize the speed between ports. That requires the voyage planning to be evaluated and adjusted based on port operations.

Suggested Citation

  • Livia Rauca & Ghiorghe Batrinca, 2023. "Impact of Carbon Intensity Indicator on the Vessels’ Operation and Analysis of Onboard Operational Measures," Sustainability, MDPI, vol. 15(14), pages 1-14, July.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:14:p:11387-:d:1199761
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    References listed on IDEAS

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    1. Sou, Weng Sut & Goh, Tian & Lee, Xin Ni & Ng, Szu Hui & Chai, Kah-Hin, 2022. "Reducing the carbon intensity of international shipping – The impact of energy efficiency measures," Energy Policy, Elsevier, vol. 170(C).
    2. Laurent Daniel & Takuya Adachi & Sunhye Lee, 2022. "Shipbuilding market developments, first semester 2022: Monitoring developments in ship supply, demand, prices and costs," OECD Science, Technology and Industry Policy Papers 132, OECD Publishing.
    3. Nuchturee, Chalermkiat & Li, Tie & Xia, Hongpu, 2020. "Energy efficiency of integrated electric propulsion for ships – A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 134(C).
    4. Li Chin Law & Epaminondas Mastorakos & Stephen Evans, 2022. "Estimates of the Decarbonization Potential of Alternative Fuels for Shipping as a Function of Vessel Type, Cargo, and Voyage," Energies, MDPI, vol. 15(20), pages 1-26, October.
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