Hyundai's dedication to hydrogen power vehicles spans a 25-year journey of research and development, culminating in the unveiling of the Initium Concept set to debut in 2025. The article delves into the history of fuel cells, tracing back to Sir William Grove and their prominent use on Apollo 11. In 1998, Hyundai ventured into fuel-cell technology, eventually achieving milestones like the first mass-produced fuel-cell-powered car and large-scale hydrogen trucks, leading up to the 2025 Initium Concept. The functioning of Hyundai's fuel-cell electric vehicles (FCEVs) revolves around the Proton Exchange Membrane (PEM) fuel cell, which combines hydrogen stored in the vehicle's tanks with oxygen from the air to produce electricity, water, and heat. The simplicity and efficiency of this process highlight the potential of hydrogen as a clean energy source in the automotive industry. Hyundai's initiatives, such as Project Mercury and Polaris, have played pivotal roles in advancing fuel-cell technology. The introduction of models like the Santa Fe FCEV and Tucson Fuel Cell marked significant milestones in Hyundai's hydrogen journey. By 2013, Hyundai had become the first automaker to mass-produce hydrogen-powered vehicles, setting the stage for further innovations like the Nexo with enhanced powertrain capabilities. The evolution of Hyundai's fuel-cell technology is evident in the performance enhancements over the years. From the Santa Fe FCEV to the Nexo, there have been substantial improvements in power output, range, and durability, showcasing Hyundai's commitment to sustainable mobility solutions. The article emphasizes the positive strides Hyundai has made in the field of hydrogen technology, positioning the company as a leader in the development of eco-friendly transportation alternatives.