
(Posted on 11/05/26)
Technology group Wärtsilä has joined H4PERION, an EU-funded Horizon Europe project led by the University of Vaasa in Finland, to help accelerate the transition to zero-carbon long-distance shipping. The four-year project will develop and demonstrate solutions to improve engine efficiency and significantly reduce greenhouse gas emissions. Wärtsilä will contribute by developing a combustion concept that enables internal combustion engines to operate safely and efficiently on a blend of hydrogen and biomethane, with the aim of achieving up to 100% hydrogen operation in open-sea conditions.
“Several low carbon fuels are being explored within the industry, and hydrogen is considered one potential zero carbon option. By focusing on its practical application and safety in maritime contexts, the H4PERION project aims to advance innovation and set new standards for the industry. Collaboration across Europe will be key in achieving these outcomes,” says University of Vaasa’s Research and Development Director, Henri Karimäki.
In addition, Wärtsilä will develop a catalyst system to reduce methane slip and other emissions, supporting a lower overall lifecycle carbon footprint.
Wärtsilä will demonstrate selected technologies onboard Wasaline’s ferry ‘Aurora Botnia’, with a focus on reducing the vessel’s emissions - particularly methane slip. The project also includes training programmes for crew and port workers and activities to support the safe use of sustainable fuels.
The H4PERION project will run for four years, until the end of May 2030. During this time, sea trials will be carried out onboard the ‘Aurora Botnia’ ferry which operates between Finland and Sweden. In parallel, an identical full-scale engine will be tested in a laboratory environment to mirror real sailing conditions and further optimise performance. Data from both demonstrations will feed into a digital twin model to support long-term learning and future design work.
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