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MAN to investigate medium-speed hydrogen engine concepts for maritime applications

MAN Energy Solutions has announced a partnership with industry leaders and research institutes that will develop engine concepts for hydrogen-fueled, medium-speed engines in the maritime sector.

Dubbed ‘HydroPoLEn’, the project is supported and funded by the German Federal Ministry for Economic Affairs and Climate Action (BMWK). It aims to transform propulsion systems within shipping and develop key technologies such as injection, ignition and advanced tribological systems, while part of its remit is also to develop a concept for the integration of power unit and fuel storage as a single system.

Besides challenges related to the combustion process, the project will also address engine efficiency, safety issues and the main steps concerning the integration of the technology in ships. Such integration is intended to enhance the efficiency, performance, and durability of a hydrogen-fueled engine, paving the way for sustainable propulsion in the maritime sector.

Hydrogen plays a key role in MAN Energy Solutions’ strategy and is the base for carbon-free fuels such as hydrogen itself and ammonia, as well as synthetic carbon-neutral fuels like methane and methanol. Along with this, our product portfolio comprises electrolyzers—through our subsidiary, H-TEC SYSTEMS—for the production of hydrogen based on green energy. We already have several products and key technologies for Carbon Capture Storage, for example for blue-hydrogen production and for the production of methanol, synthetic methane and ammonia. Furthermore, in our engine portfolio, hydrogen plays a major role. After the release of our 25% hydrogen engines in 2021, a pure-hydrogen engine is the next logical step for us.

—Alexander Knafl, Head of Four-Stroke R&D, MAN Energy Solutions

HydroPoLEn brings together the collective expertise and resources of industry leaders from the cruise sector (Carnival Maritime GmbH) and marine propulsion (MAN Energy Solutions SE), along with research institutes specializing in pioneering green energy solutions (WTZ Roßlau gGmbH, NMA TUM) and a key-component supplier (Tenneco Inc.). The partnership intends to foster innovation, knowledge exchange, and multidisciplinary research ensuring the development of a robust concept fulfilling the key buying criteria.


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