The article delves into the transformative potential of hydrogen and fuel cell technology in revolutionizing heavy industry and transportation towards a cleaner, more sustainable future. Highlighting the significance of hydrogen produced from renewable sources, it emphasizes the role of hydrogen in decarbonizing operations that cannot be fully addressed by electricity alone. With the global hydrogen market set for significant growth, reaching $259 billion by 2033, hydrogen is seen as a versatile option for generating heat and powering vehicles, offering a cleaner alternative to petrol and diesel. While the potential for hydrogen adoption is immense, challenges persist. The article references a 2024 report by IDTechEx indicating only a small fraction of zero-emission vehicles are projected to run on hydrogen in the next two decades. However, optimistic projections suggest a potential rise in hydrogen-powered ZEV trucks by 2044, contingent upon market expansion and supportive government policies. The United States emerges as a key player in the global hydrogen market, backed by mature projects and favorable tax policies. Yet, uncertainties loom with potential changes in federal support under the new administration, which could impact the industry's competitiveness against cheaper fossil fuel alternatives. Despite the challenges, industry experts remain optimistic about hydrogen's long-term economic and environmental value. The article concludes by outlining the current state of hydrogen adoption, citing the International Energy Agency's Global Hydrogen Review 2024. The report indicates slow policy implementation in crucial sectors, with the majority of global hydrogen demand still concentrated in traditional applications. While there has been growth in new applications crucial for the energy transition, challenges in effective policy implementation persist. Overall, the article paints a picture of a promising yet evolving landscape for hydrogen in the global energy transition.