Hydrogen-powered vehicles are making strides in the automotive industry with the utilization of internal combustion engines fueled by hydrogen. In Europe, these engines are already being used in commercial applications, meeting strict emissions regulations. Cummins, a key player in this field, has developed a specialized turbocharger called CCS H2 ICE for hydrogen engines, ensuring optimal performance and durability. The turbocharger is designed to handle the unique characteristics of hydrogen, such as its lower density and the production of water as a by-product of combustion. Additionally, the turbocharger complies with Euro VII regulations for on-road highway use in Europe. While current applications are focused on commercial vehicles like trucks, automakers like Ferrari have patented hydrogen engine designs, hinting at the potential for high-powered hydrogen supercars in the future. One of the major challenges hindering the widespread adoption of hydrogen as a fuel source is the infrastructure requirements. Transporting and storing hydrogen is complex and requires specialized high-pressure tanks and pipelines. Refueling stations also need special connections, posing logistical challenges compared to traditional fueling methods. Despite these obstacles, the development of technologies like the turbocharger from Cummins signals a promising future for hydrogen-powered vehicles in both commercial and high-performance applications.