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海運・港湾の脱炭素化：調整・順序・移行経路に関するシステム志向レビュー

Maritime decarbonization of shipping and ports: A system-oriented review of coordination, sequencing, and transition pathways (原題)

Amayrol Zakaria, Aminuddin Md Arof, Ruth Banomyong

Maritime Technology and Research📚 査読済 / ジャーナル2026-09-22#エネルギー転換Origin: Global経営インパクト: 調達リスク対象セクター: transport
DOI: 10.33175/mtr.2027.289792
原典: https://doi.org/10.33175/mtr.2027.289792

🤖 gxceed AI 要約

日本語

本レビューは、海運・港湾の脱炭素化を独立した技術課題ではなく、船舶・港湾・燃料インフラ・ガバナンス間の調整と順序付けの課題として再定義する。書誌計量分析（249件）とPRISMA準拠の系統的レビュー（62件）を統合し、技術進展と港湾・燃料供給・規制実装の間に持続的なミスマッチがあることを示す。技術だけでは不十分で、相互接続システムの協調的進化が移行経路を左右すると結論づける。

English

This review reframes maritime decarbonization as a coordination and sequencing challenge across vessels, ports, fuel infrastructure, and governance, rather than a set of independent technologies. Combining bibliometric mapping (249 publications) with a PRISMA-based systematic review (62 studies), it finds persistent mismatches between vessel technology, port readiness, fuel supply, and regulatory implementation. It concludes that coordinated system evolution, not technology alone, determines viable transition pathways.

Unofficial AI-generated summary based on the public title and abstract. Not an official translation.

📝 gxceed 編集解説 — Why this matters

日本のGX文脈において

日本は港湾・海運の脱炭素（カーボンニュートラルポート、水素・アンモニア燃料供給拠点整備）を国家戦略として推進しており、本レビューの「調整・順序」視点は国交省・経産省の港湾政策や企業の燃料調達計画に直接示唆を与える。SSBJ開示でScope 3（輸送・物流）を扱う日本企業にも関連する。

In the global GX context

Aligns with global maritime decarbonization governance (IMO GHG strategy, EU ETS/ FuelEU Maritime) and the broader ISSB/CSRD push to disclose transport-related emissions. Its system-level framing adds to disclosure scholarship by showing why port-fuel-governance coordination gaps matter for credible transition planning.

👥 読者別の含意

🔬研究者:海運脱炭素研究の知的構造とテーマ進化を俯瞰でき、船舶・港湾・燃料・ガバナンス横断の研究ギャップを特定する基盤となる。

🏢実務担当者:港湾・海運・燃料サプライヤーは、燃料供給や港湾インフラ整備の順序と協調の必要性を投資・調達計画に反映できる。

🏛政策担当者:IMO・EU規制と国内港湾政策の整合を図る際、技術・インフラ・規制の実装タイミングを揃える政策設計の根拠として活用できる。

📄 Abstract（原文）

Decarbonization of global shipping and maritime ports has become a strategic priority for achieving international climate targets. Although research has expanded rapidly, existing reviews predominantly examine technological, operational, or policy dimensions separately, providing limited understanding of how interactions among vessels, ports, fuel infrastructure, and governance shape decarbonization pathways. This review addresses this limitation by introducing a system-level perspective that reconceptualizes maritime decarbonization as a coordination and sequencing challenge rather than a collection of independent technological solutions. An integrated review framework combining bibliometric science mapping with a PRISMA-based systematic review was adopted to analyze Scopus-indexed publications published between 2021 and early 2026. The bibliometric analysis examined 249 publications, while 62 studies meeting the PRISMA eligibility criteria were subjected to detailed qualitative synthesis. The study aims to identify the intellectual structure, emerging research themes, and cross-sector alignment challenges shaping maritime decarbonization pathways across vessels, ports, fuel infrastructure, and governance. Bibliometric analysis mapped the intellectual structure, thematic evolution, and collaborative landscape of the field, while qualitative synthesis examined empirical evidence related to alternative fuels, port decarbonization measures, and governance mechanisms. The findings reveal sustained growth in maritime decarbonization research, accompanied by persistent mismatches between vessel technology development, port infrastructure readiness, fuel supply systems, and regulatory implementation. The analysis further demonstrates that technological progress alone is insufficient to achieve effective maritime decarbonization unless these interconnected systems evolve in a coordinated manner. These persistent disconnects continue to constrain effective transition pathways despite significant advances in decarbonization technologies and policy initiatives. The proposed system-level analytical framework provides an evidence-based foundation for integrated policy development, infrastructure planning, and future research, supporting more coordinated and implementable maritime decarbonization strategies. ------------------------------------------------------------------------------Cite this article: APA Style:Zakaria, A., Arof, A. M., & Banomyong, R. (2027). Maritime decarbonization of shipping and ports: A system-oriented review of coordination, sequencing, and transition pathways. Maritime Technology and Research, 9(1), 289792. https://doi.org/10.33175/mtr.2027.289792 MDPI Style:Zakaria, A.; Arof, A. M.; Banomyong, R. Maritime decarbonization of shipping and ports: A system-oriented review of coordination, sequencing, and transition pathways. Marit. Technol. Res. 2027, 9, 289792. https://doi.org/10.33175/mtr.2027.289792 Vancouver Style:Zakaria A, Arof AM, Banomyong R. (2027). Maritime decarbonization of shipping and ports: A system-oriented review of coordination, sequencing, and transition pathways. Marit. Technol. Res. 9(1):289792. https://doi.org/10.33175/mtr.2027.289792 ------------------------------------------------------------------------------ Highlights Introduces a system-oriented analytical framework integrating bibliometric science mapping with a PRISMA-based systematic review. Reveals that successful maritime decarbonization depends on coordinated evolution of vessel technologies, port infrastructure, fuel systems, and governance. Identifies implementation bottlenecks, sequencing challenges, and cross-sector interactions shaping maritime decarbonization pathways. Bridges quantitative bibliometric evidence with qualitative synthesis to provide a comprehensive understanding of maritime transition dynamics. Offers practical guidance for aligning policy, infrastructure investment, and operational planning to accelerate maritime decarbonization.

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