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All Journal Dinasti International Journal of Digital Business Management
Setiyawati, Rini
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Decision Sciences, Operations Research & Management

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LNG as Marine Fuel under LGF Code: A Meta-Analysis of Emission Reduction, Economic Viability and Safety Performance Utama, Yusuf Pria; Setiyawati, Rini; Rochmansyah, Rizal; Wahyuni H., Nurul; Mulyana, Fitri
Dinasti International Journal of Digital Business Management Vol. 7 No. 2 (2026): Dinasti International Journal of Digital Business Management (February - March
Publisher : Dinasti Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/dijdbm.v7i2.6344

Abstract

The International Maritime Organization's (IMO) decarbonization targets necessitate adopting alternative fuels. Liquefied Natural Gas (LNG), regulated by the International Code of Safety for Ships Using Gases or Other Low-Flashpoint Fuels (IGF Code), offers potential emission reductions but faces debates regarding methane slip and cost-effectiveness. This meta-analysis synthesized 48 peer-reviewed studies (2015–2024) following PRISMA guidelines. Random- effects models quantified LNG’s performance versus conventional fuels (HFO/MDO) in emissions (CO₂eq, SOₓ, NOₓ, PM), economics (CAPEX/OPEX), and safety. Heterogeneity was assessed via I² statistics. LNG reduces SOₓ by 98% (95% CI: 96–99), NOₓ by 25% (18–32), and PM by 93% (88–97). Net CO₂eq reduction is 12% (5–19) after methane slip adjustment (0.2–5%). CAPEX is 25% higher (SMD = 1.8; 1.5–2.1), but OPEX is 22% lower (SMD = -1.2; -1.8 to -0.6). Safety incidents are 1.8× more likely (OR = 1.8; 1.2–2.7), mitigated by IGF-compliant training (OR = 0.6; 0.4–0.9). LNG achieves immediate air quality benefits but requires methane slip abatement for climate goals. Policy priorities include bio-LNG blending and global bunkering standardization
Co-Authors Mulyana, Fitri Rochmansyah, Rizal Utama, Yusuf Pria Wahyuni H., Nurul