The article introduces the groundbreaking H2-ICE engine, a hydrogen-powered combustion engine designed to revolutionize the automotive industry. With an electric motor generating 80 kW and delivering over 400 horsepower, this engine poses a significant competition to traditional gasoline engines, showcasing the potential of hydrogen as an effective fuel source. Unlike previous hydrogen engines, the H2-ICE engine stands out for its mechanical efficiency of 150 kW per liter, comparable to racing engines powered by conventional fuels. Despite its success, challenges such as the lack of hydrogen refueling stations hinder its widespread implementation. To address this issue, AVL Racetech is developing portable electrolysis equipment to produce hydrogen onsite, reducing the need for dedicated refueling infrastructure. The engine combines features from internal combustion engines and electric cars, offering the performance advantages of ICEs without emissions or noise. Experts view the H2-ICE engine as a significant advancement in hydrogen engine technology, positioning it as a viable alternative to gasoline engines. Anticipated future growth in hydrogen engines suggests their increasing importance in the automotive sector, calling for infrastructure development, efficiency improvements, tax incentives, and the use of eco-friendly hydrogen sources. The article highlights the potential of hydrogen engines to transform the automotive industry, offering powerful performance, enhanced efficiency, and environmental benefits. With ongoing developments and support, hydrogen engines like the H2-ICE engine may redefine the future of transportation, presenting a compelling alternative to traditional fossil fuel vehicles.