## 6 Conclusions
Content analysis from the clusters revealed 10 possible policy recommendations, 11 technology adaptation recommendations, and 7 proposed stakeholder collaboration mechanisms. The 10 possible policy recommendations are listed as follows. Policies should establish robust institutional frameworks that reinforce regulatory compliance and the standardization of green shipping practices. The integration of adaptive decision-making tools, such as real options analysis, aids in mitigating investment uncertainties in sustainable maritime technologies. Policies must also incorporate quantitative assessment methods to systematically evaluate both the environmental and economic outcomes of sustainability initiatives. Additionally, zero-carbon fuel transition policies are necessary, particularly encouraging the adoption of and infrastructure for hydrogen and ammonia fuels aligned with decarbonization goals. Supporting voluntary corporate sustainability initiatives with economic incentives can further enhance industry engagement. Collaborative governance frameworks promoting coordinated operational strategies between ports and shipping companies should be emphasized. Strategic policies must align technological roadmaps with international decarbonization targets, ensuring long-term planning consistency. Operational infrastructure development policies should cater specifically to diverse technological and vessel-specific requirements. Cross-functional integration policies should facilitate cohesive efforts across the maritime sector. Lastly, multidisciplinary policies must integrate institutional, technological, economic, and environmental objectives to achieve comprehensive sustainability transitions. The 11 revealed technology adaptation recommendations are as follows. Maritime decarbonization efforts should adhere to the adoption of zero-carbon synthetic fuels, such as hydrogen and ammonia, along with biofuel hybrid configurations to manage emission reductions effectively. Emerging technologies in terms of waste heat recovery (WHR) systems and detailed energy and exergy analysis methods provide the possibility for favorable energy efficiency onboard vessels. Intelligent energy management systems, optimized fuel storage solutions, and low-pressure dual-fuel LNG systems further support operational sustainability. Optimizing fuel use through vessel speed management, strategic storage practices, and enhanced operational procedures offer substantial emissions and efficiency benefits. Finally, investments in onshore power supply (OPS) and electrification, together with comprehensive cruise ship energy system optimization, provide critical pathways to achieving zero-emission maritime transport. There are seven proposed key factors for effective stakeholder collaboration. Achieving successful collaboration requires a depth of theoretical integration, combining stakeholder, planned behavior, and resource dependence theories to clearly define collaborative frameworks. Differentiated stakeholder strategies should be tailored to organizational characteristics and specific shipping sectors, ensuring targeted engagement. Strategic and operational integration promotes alignment across maritime supply chains, incorporatingboth corporate commitment and coordinated operational activities. Institutional perspectives emphasize the influence of regulatory, normative, and market-driven pressures on collaboration. Resource management facilitates interfirm and intrafirm interactions, enhancing shared capabilities. Clearly defining comprehensive outcomes and benefits, including economic, social, and environmental impacts, strengthens stakeholder commitment. Lastly, ensuring clarity and cohesion in collaboration strategies promotes unified understanding and consistent implementation across stakeholders. Collectively, these 28 recognized recommendations aim to provide a comprehensive framework to better understand and effectively implement green shipping corridors, fostering maritime sustainability.