Alpine, the French automotive brand, is contemplating the transformation of its extreme Alpenglow concept into a production reality as a hydrogen-combustion powered supercar known as the Hy4. The evolution of the concept was emphasized by the recent unveiling of the Hy4 prototype, showcasing Alpine's first hydrogen combustion engine. The brand's design chief, Antony Villain, hinted at the possibility of the Hy4 becoming a production vehicle, showcasing Alpine's dual focus on hydrogen-combustion and battery-electric technologies. Key to the project is the development of a new in-house V6 engine designed to enhance the efficiency and power output of the Hy4, setting the stage for its entry into the 24 Hours of Le Mans in 2027. While Alpine executives express optimism about the potential of hydrogen technology, challenges related to emissions, engine cooling, and mixture preparation remain at the forefront of their considerations. Despite facing technical hurdles such as mitigating engine knock and optimizing mixture preparation, Alpine remains committed to the project. Pierre-Jean Tardy, Alpine's chief hydrogen engineer, highlighted the complexities of working with hydrogen as a fuel source and the need for innovative solutions to ensure optimal performance. Alpine's ambitious journey from concept to production underscores its dedication to pushing boundaries in the automotive industry. With plans for the Alpenglow-inspired Hy4 to hit the roads soon and Alpine's participation in the 24 Hours of Le Mans on the horizon, the brand is poised to showcase the capabilities of hydrogen-combustion engines in both racing and road car applications.