A luxury superyacht is the testbed for green hydrogen technology as the ship, formally known as Project 821, is put in the water at Feadship's Amsterdam base. It's the largest motor yacht ever launched in the Netherlands.

Hydrogen is often seen as a major player when it comes to alternative energy, but it takes real world applications to show not only its strengths, but also its shortcomings that will need to be overcome if it's to have widespread application, much less form the basis for an entire economy.

Launched on May 4, 2024, Project 821 is intended to push hydrogen technology to its limits as it relates to superyachts. This is particularly important because there aren't any regulations for storing hydrogen or in regard to fuel cell systems at class, flag-state, or even IMO level. As a result, Feadship had to work with superyacht brokers Edmiston and Lloyd's Register to come up with not only the scaled technology for ships over 100 m (328 ft) in length, but the prospective protocols and regulations.

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