The aviation industry is witnessing a significant shift towards adopting alternative propulsion options like hydrogen, hybrid, and electric power for aircraft. Pipistrel, a key player in aircraft propulsion research and development, is at the forefront of these advancements. Both traditional and new-generation engines are being developed to drive the future capabilities of aircraft, with a strong focus on hydrogen fuel prospects. Engine makers are betting on hydrogen power as a sustainable and efficient alternative to traditional fuels. Start-ups like Beyond Aero are gaining support for their initiatives in the hydrogen business jet sector, signaling growing interest in this technology. While major business aviation OEMs have yet to fully commit to hydrogen propulsion, the industry is moving steadily towards integrating these innovative technologies. Companies like MagniX and NASA have successfully completed ground tests on electric propulsion units, demonstrating the feasibility of these systems at high altitudes. In the Nordic countries, Elfly is set to distribute the electric BR23 training aircraft, highlighting the expanding market for electric aviation solutions. Additionally, Serbia's Green Power is making strides in certifying a small turboprop engine that could potentially replace traditional piston engines. The industry is also witnessing successful hybrid-electric flight tests, as EcoPulse partners report on their technology demonstrator based on the TBM aircraft. These advancements in hydrogen, hybrid, and electric propulsion systems are reshaping the future of aviation, driving towards more sustainable and eco-friendly aircraft operations.