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The EU-funded project SYNERGETICS, which focuses on improving the environmental performance of inland and coastal shipping, has successfully completed its work after 42 months. The final event took place on June 10, 2026, both on board the viadonau pushboat *Bad Deutsch-Altenburg* and at Techgate.
Focus on Emission Reduction and Competitiveness
As part of SYNERGETICS, various solutions for emission reduction were developed and tested under real operating conditions. The aim was to achieve the environmental goals of the European Union while ensuring the economic competitiveness of shipping fleets. The project has proven to be an important link between existing initiatives that often operate in isolation. By networking knowledge, technologies, and expertise across various sectors and regions, an integrated approach to sustainable shipping was promoted.
The collaboration involved a wide range of stakeholders, including research institutions, innovation centers, shipping companies, shipyards, technology providers, regulatory authorities, and industry associations. This cooperation enabled the development of innovative approaches to reduce fuel consumption and emissions.
Results and Innovative Technologies
Key results include hydrodynamic optimization measures that demonstrate energy savings potential of 15 to 35%. In some cases, even higher savings are possible. The conversion to hydrogen dual-fuel engines has significantly reduced diesel consumption as well as particulate emissions. Additionally, methanol-based propulsion systems have been identified as a promising low-emission solution, which still needs further development regarding the availability of suitable engines and corresponding regulations.
The project examined various alternative propulsion technologies, including battery-electric systems, hybrid drive concepts, and digital optimization technologies. A central finding is that retrofitting existing ships is often more cost-effective than complete replacement with new builds, while still achieving significant environmental benefits.
Practical tools for shipping
To support the widespread adoption of the developed innovations, the project has created practical tools for inland and coastal shipping. The catalog of retrofit technologies provides an overview of environmentally friendly technologies, their maturity level, costs, and required infrastructure. The handbook for shipowners contains information on implementation, operational impacts, and approval procedures.
Additionally, the Decision Support Tool assists shipowners in identifying suitable modernization measures and making informed investment decisions. Future scenarios have been developed to support political and industrial decision-making processes and accelerate the adoption of sustainable solutions.
