Implementation of the energy efficiency existing ship index and carbon intensity indicator on domestic ship for marine environmental protection

Chuah LF 1 , Mokhtar K 2 , Mhd Ruslan SM 2 , Bakar AA 3 , Abdullah MA 2 , Osman NH 4 Show all authors , Bokhari A 5 , Mubashir M 6 , Show PL 7

Affiliations 

  • 1 Faculty of Maritime Studies, Universiti Malaysia Terengganu, Terengganu, Malaysia. Electronic address: lfchuah@umt.edu.my
  • 2 Faculty of Maritime Studies, Universiti Malaysia Terengganu, Terengganu, Malaysia
  • 3 Faculty of Ocean Engineering Technology and Informatics, Universiti Malaysia Terengganu, Malaysia
  • 4 School of Technology Management and Logistics, Universiti Utara Malaysia, 06010, Sintok, Kedah Darul Aman, Malaysia
  • 5 Department of Chemical Engineering, COMSATS University Islamabad (CUI), Lahore Campus, Lahore, Punjab, 54000, Pakistan; Sustainable Process Integration Laboratory, SPIL, NETME Centre, Faculty of Mechanical Engineering, Brno University of Technology, VUT Brno, Technická 2896/2, 616 00, Brno, Czech Republic
  • 6 Department of Petroleum Engineering, School of Engineering, Asia Pacific University of Technology and Innovation, 57000 Kuala Lumpur, Malaysia
  • 7 Zhejiang Provincial Key Laboratory for Subtropical Water Environment and Marine Biological Resources Protection, Wenzhou University, Wenzhou 325035, China; Department of Chemical Engineering, Khalifa University, Shakhbout Bin Sultan St - Zone 1, Abu Dhabi, United Arab Emirates; Department of Sustainable Engineering, Saveetha School of Engineering, SIMATS, Chennai 602105, India; Department of Chemical and Environmental Engineering, Faculty of Science and Engineering, University of Nottingham Malaysia, 43500 Semenyih, Selangor, Malaysia. Electronic address: pauloke.show@nottingham.edu.my
Environ Res, 2023 Apr 01;222:115348.
PMID: 36731596 DOI: 10.1016/j.envres.2023.115348

Abstract

The International Maritime Organization has set a goal to achieve a 50% reduction of total annual greenhouse gas emission related to the international shipping by 2050 compared to the 2008 baseline emissions. Malaysia government has taken an initiative to investigate the assessment (cost-effectiveness) of this International Maritime Organization's short-term measure on Malaysian-registered domestic ships although this measure is only for international merchant ship. To achieve this, this paper collected the ship's data from the shipowners from 25 sample ships. Engine power limitation is the most cost-effective option, but low power limits can lead to substantially increased sailing times. Based on cost-efficiency analysis, it creates for the purpose of compliance with the operational carbon intensity indicator. It found that even if it is possible to bring an asset back into service, it may not be possible to do so in a manner that generates a profit or complies with applicable regulations. In these situations, it may be more prudent to scrap the asset rather than run the risk of having it become a stranded asset. This is especially true for older tankers. Alternatives with lengthy payback periods are not desirable for the domestic tanker fleet that is already in operation.

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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