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Maritime Decarbonisation
Green Fuels and Energy Efficiency
In this episode of Maritime Matters, host Matthias Catón, Managing Director of the German Maritime Centre, welcomes Jason Stefanatos, Global Decarbonisation Director at DNV Maritime. With more than 15 years’ experience in the sector and a background in naval architecture, Jason works closely with ship owners, shipyards, and maritime stakeholders worldwide to support the shipping industry’s transition towards cleaner, more efficient operations.
Their conversation explores the realities of maritime decarbonisation, covering alternative fuels, regulatory pressures and complexity, strategic choices for ship owners, and the wealth of innovation driving energy efficiency. Together, they examine both the technical and economic challenges and the global frameworks shaping the industry’s decarbonisation journey.
Key Topics:
The State of Maritime Decarbonisation: Jason provides a candid overview of progress so far, highlighting significant gains in fleet efficiency and the rapid uptake of alternative fuels, while emphasising that the pace remains gradual and dependent on cooperation across the supply chain.
Navigating the Regulatory Landscape: The discussion unravels the complex patchwork of existing and pending emissions rules at both European and international levels. The speakers assess risks of fragmented systems, the influence of the EU as a regulatory leader, and industry hopes for a global framework over regionally isolated schemes.
Alternative Fuels and Fuel Optionality: The episode evaluates the current status and future prospects of alternative fuels such as LNG, methanol, ammonia, and biofuels. Jason explains why flexibility is now integral to ship design and investment, helping owners mitigate risk in an uncertain market.
Innovation in Energy Efficiency: Beyond fuels, they spotlight the “golden decade” of technology innovation that offers owners multiple paths to cutting consumption and emissions, from hydrodynamic improvements and hull coatings to wind-assisted propulsion and digital performance monitoring.
Guest Bio:
Jason Stefanatos is Global Decarbonisation Director at DNV Maritime, one of the world’s leading classification societies and maritime advisers. With a degree in Naval Architecture and Marine Engineering from the National Technical University of Athens, Jason has spent his career bridging research, business development, and consulting for ship owners in Greece, Norway, and beyond. He is a recognised expert on decarbonisation strategies, regulatory compliance, and maritime innovation.
Nautical Numbers:
Jason’s chosen number is 10%: the share of the global shipping fleet currently able to burn alternative fuels. While it marks substantial progress, it also means 90% of vessels continue to rely on conventional fuels, underscoring both the industry’s achievements and the formidable road ahead.
Navigator’s Table:
Thinking outside the box, Jason recommends “anywhere that fries things” – a nod to used cooking oil as a feedstock for sustainable biofuels helping power cleaner ships. By dining on fried food, listeners might be (indirectly) supporting a circular economy solution for maritime decarbonisation.
Enjoyed this episode? Subscribe to Maritime Matters for conversations with industry leaders shaping maritime Germany and the global sector. For more on upcoming events, cluster activities, and maritime perspectives through a German lens, visit the German Maritime Centre’s website. If you found this episode valuable, please share it with maritime colleagues and keep listening for more expert insights from Hamburg and around the world.
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By German Maritime CentreGreen Fuels and Energy Efficiency
In this episode of Maritime Matters, host Matthias Catón, Managing Director of the German Maritime Centre, welcomes Jason Stefanatos, Global Decarbonisation Director at DNV Maritime. With more than 15 years’ experience in the sector and a background in naval architecture, Jason works closely with ship owners, shipyards, and maritime stakeholders worldwide to support the shipping industry’s transition towards cleaner, more efficient operations.
Their conversation explores the realities of maritime decarbonisation, covering alternative fuels, regulatory pressures and complexity, strategic choices for ship owners, and the wealth of innovation driving energy efficiency. Together, they examine both the technical and economic challenges and the global frameworks shaping the industry’s decarbonisation journey.
Key Topics:
The State of Maritime Decarbonisation: Jason provides a candid overview of progress so far, highlighting significant gains in fleet efficiency and the rapid uptake of alternative fuels, while emphasising that the pace remains gradual and dependent on cooperation across the supply chain.
Navigating the Regulatory Landscape: The discussion unravels the complex patchwork of existing and pending emissions rules at both European and international levels. The speakers assess risks of fragmented systems, the influence of the EU as a regulatory leader, and industry hopes for a global framework over regionally isolated schemes.
Alternative Fuels and Fuel Optionality: The episode evaluates the current status and future prospects of alternative fuels such as LNG, methanol, ammonia, and biofuels. Jason explains why flexibility is now integral to ship design and investment, helping owners mitigate risk in an uncertain market.
Innovation in Energy Efficiency: Beyond fuels, they spotlight the “golden decade” of technology innovation that offers owners multiple paths to cutting consumption and emissions, from hydrodynamic improvements and hull coatings to wind-assisted propulsion and digital performance monitoring.
Guest Bio:
Jason Stefanatos is Global Decarbonisation Director at DNV Maritime, one of the world’s leading classification societies and maritime advisers. With a degree in Naval Architecture and Marine Engineering from the National Technical University of Athens, Jason has spent his career bridging research, business development, and consulting for ship owners in Greece, Norway, and beyond. He is a recognised expert on decarbonisation strategies, regulatory compliance, and maritime innovation.
Nautical Numbers:
Jason’s chosen number is 10%: the share of the global shipping fleet currently able to burn alternative fuels. While it marks substantial progress, it also means 90% of vessels continue to rely on conventional fuels, underscoring both the industry’s achievements and the formidable road ahead.
Navigator’s Table:
Thinking outside the box, Jason recommends “anywhere that fries things” – a nod to used cooking oil as a feedstock for sustainable biofuels helping power cleaner ships. By dining on fried food, listeners might be (indirectly) supporting a circular economy solution for maritime decarbonisation.
Enjoyed this episode? Subscribe to Maritime Matters for conversations with industry leaders shaping maritime Germany and the global sector. For more on upcoming events, cluster activities, and maritime perspectives through a German lens, visit the German Maritime Centre’s website. If you found this episode valuable, please share it with maritime colleagues and keep listening for more expert insights from Hamburg and around the world.