The 12th annual Monaco Energy Boat Challenge (MEBC) recently took place in Monaco, bringing together university students, electric boat manufacturers, and the yachting industry to showcase advancements in non-fossil fuel propulsion. With over 1,000 students from 42 institutions in 20 countries participating, the event featured races, technical presentations, and discussions on hydrogen and alternative fuels. The Energy Class, a key part of the MEBC, saw university teams competing with their own propulsion systems on provided catamaran hulls, adhering to regulations against fossil fuels. The University of Bologna's UniBoAT team excelled by winning all events with their innovative electric outboard motor design. Another notable development was the creation of contra-rotating toroidal propellers by the Hydrogadz team from Arts & Métiers Paris, showcasing enhanced efficiency and noise reduction. In the SeaLab Class, exploring non-commercialized propulsion systems, the Red Wave team from the University of Bologna emerged victorious and received The Prince Albert II of Monaco Foundation Sustainable Yachting Technology Award. The event highlighted the ongoing advancements and dedication to sustainable yachting technology, emphasizing the progress made and the potential for future innovation in the field.