Page 17: of Maritime Reporter Magazine (April 2025)

he Maritime industry has worked with a single fuel presented three strategies for an alternative energy future: source for over a century and with the rush to meet - a hydrogen economy coupling electric power and emission standards in both domestic and foreign hydrogen fuel,

Tmarkets, adapting to the current list of alternative - a complete electric economy, and fuels is going to present signi? cant problems. Each market - a dual fuel strategy allowing an introduction of has its issues whether bluewater, brownwater, coastal, foreign liquid renewables.

or domestic. The “Dual Fuel Strategy” was based upon the ability of liq-

Chose any of the larger global shipbuilding yards and the uid ammonia or methanol to be compatible with the current basic Bluewater ship design will include a large two stroke energy infrastructure. Shipbuilding embraced the concept and combustion engine. continued the development of two stroke combustion by ? rst

To remove that single propulsion system from current ship incorporating dual fuel LNG. Where emission discussion and construction to meet emission standards would be devasting regulatory goals spoke to ZERO, the strategy was a concept to shipyard pro? tability. of gradual “transition”. Zero could not be reached without the

First, we need to realize the current emission time frame “electrical” component and few if any of the global builders will not be met and second ship orders will continue to include were prepared to take on battery and energy storage at the this type of propulsion well into the near future. power levels required to remain competitive.

The climate change and ship emission discussion reach as There are literally hundreds of reports of “dual fuel” deliv- far back as 2012, with an analysis of ammonia as a military eries to date. However, the “dual” at this point in the transition fuel. Doctor William Ahlgren de? ned the transition away from has been an alternative fuel and fossil fuel mixture and there fossil fuels as a “Dual Fuel Strategy”. The analysis coupled are reasons why. fossil fuel energy sources with electric power and the research The simple “Holy Grail” mantra has been hydrogen. Not so www.marinelink.com 17

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