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NTNU Energy Transition Podcast

#64 Decarbonizing Shipping and Maritime Transport (with David Emberson, NTNU)

Mar 7, 2024
In this engaging discussion, David Emberson, an associate professor at NTNU's Department of Marine Technology, sheds light on the pressing need to decarbonize the shipping industry. He explores the challenges of relying on fossil fuels and presents innovative alternatives like LNG, ammonia, and methanol. Notably, David highlights ammonia's potential as a sustainable marine fuel despite its combustion issues. The conversation also covers the importance of port infrastructure and collaborative efforts in pioneering new propulsion technologies to achieve a sustainable maritime future.
01:04:37

Episode guests

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Quick takeaways

  • The shipping industry, which accounts for 3% of global greenhouse gas emissions, is facing urgent challenges in transitioning from fossil fuels to sustainable alternatives like ammonia and methanol.
  • Ammonia is highlighted as a viable marine fuel due to its efficient hydrogen storage capabilities and existing production infrastructure, despite concerns regarding toxicity and combustion efficiency.

Deep dives

Decarbonizing the Maritime Sector

Shipping and maritime transport contribute approximately 3% of global greenhouse gas emissions, highlighting the need for decarbonization in this sector to meet overall emission reduction goals. Currently, most vessels rely on crude oil, but there are promising developments in alternative fuels such as ammonia and even the potential return of sail power to reduce emissions. While transitioning to cleaner alternatives is challenging, opportunities exist that could lead to successful decarbonization of the maritime sector. Awareness and active engagement in low-carbon projects among future decision-makers are essential to accelerate this process.

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