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Realities and Challenges of Alternative Marine Fuels

Episode 3 of IMarEST’s Ship Energy & Environment podcast series, by Dr Thomas Beard

30 April 2025

Commercial shipping Defence

What are the leading alternatives to marine diesel?

In the third episode of the IMarEST’s Ship Energy & Environment podcast series, Dr. Thomas Beard, Clean Shipping Lead at BMT, delves into the complexities of transitioning to the ‘big four’ alternative marine fuels. He examines the practical challenges of retrofitting existing vessels to accommodate new fuel storage systems and compares these hurdles with the risks associated with energy density and fuel availability. Dr. Beard also discusses the broader implications for ship design, operational safety, and regulatory compliance, offering a comprehensive overview for ship owners and operators navigating the maritime industry's path toward net zero.​

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