ClassNK issues new edition of guidelines for ships using alternative fuels

Areas Impacted: Hydrogen, Production, Catalyst, Research, Reaction, Clean Energy

June 3rd, 2024

Japanese classification society ClassNK has published a new edition of its Guidelines for Ships Using Alternative Fuels, which outline the safety requirements for ships using methanol, ethanol, LPG and ammonia as fuel. The new release adds requirements related to hydrogen-fueled ships, providing guidance for the design of alternative-fueled ships. According to ClassNK, the guidelines stipulate requirements for installation, controls, safety devices, etc., aiming to minimize the risks to ships, seafarers and the environment posed by the use of alternative fuels. Specifically, the new edition includes requirements that contribute to the safety of hydrogen-fueled ships, such as points of consideration for preventing explosions due to the ease of ignition of hydrogen and impacts on seafarers and the environment due to hydrogen fuel leakage.

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