Hydrogen power is gaining traction in the motorsport industry with hydrogen race cars participating in prestigious events like the Fuji 24 Hours, hillclimbs, and the Dakar Rally. The future looks promising, with plans for the world’s first hydrogen championship in 2025 and expectations for hydrogen prototypes to race at the iconic Le Mans 24 Hours by 2027. The shift towards hydrogen in motorsport is driven by its numerous benefits, including high energy efficiency, zero carbon emissions at the tailpipe, and its abundance as the most prevalent element in the universe. Technical experts like Richard Osborne from Ricardo highlight the efficiency of hydrogen engines compared to conventional combustion engines and emphasize the importance of hydrogen as a key alternative due to its environmental advantages. In the debate between hydrogen fuel cells and hydrogen combustion for motorsport applications, each technology offers unique advantages. Hydrogen combustion engines boast fast combustion rates ideal for racing conditions, while hydrogen fuel cells excel in efficiency at low-load operating conditions. However, the need for supplementary energy storage systems like batteries or supercapacitors is crucial for quick power delivery during fast accelerations and decelerations in racing. One of the primary challenges in adopting hydrogen in motorsport lies in storing the gas on vehicles. Hydrogen's high expansion ratio poses difficulties in achieving high energy density per unit volume. Current solutions involve storing hydrogen gas at high pressures, but alternatives like liquid hydrogen and emerging technologies such as solid hydrogen are being explored for improved energy storage capabilities. While liquid hydrogen offers increased storage capacity, it presents challenges like maintaining cryogenic temperatures. On the other hand, solid hydrogen, where hydrogen is chemically mixed with a hydride molecule, shows promise in achieving high volumetric densities without the complexities of cryogenic storage. The future of hydrogen in motorsport looks promising but requires innovative solutions to overcome storage challenges and ensure the efficient integration of hydrogen power in racing vehicles.