The article discusses the surge of interest in hydrogen as a carbon-free fuel, with numerous countries and companies planning to build around 1,600 hydrogen plants globally. While the process of producing hydrogen with renewables is clean and promising, a significant challenge lies in the lack of firm customer commitments for the fuel. Currently, only a small percentage of hydrogen plants have concrete agreements for fuel purchase, leading to doubts about the viability of many projects. Despite the potential of hydrogen in achieving net-zero carbon emissions and decarbonizing industries like steel and maritime shipping, the high production costs and infrastructure requirements pose significant hurdles. Countries such as Chile, Australia, and China are leading in green hydrogen production initiatives, while the EU and US have set ambitious targets for carbon-free hydrogen usage. Successful hydrogen projects are highlighted as those that encompass the entire ecosystem, with a clean energy source, nearby customers, and essential infrastructure. Examples include a hydrogen plant in Sweden supplying a steel mill and a project in Mississippi utilizing wind and geothermal energy to produce hydrogen. The article concludes by emphasizing the importance of integrating the entire supply chain for hydrogen projects to succeed in the transition to a greener economy.