The US Treasury Department has finalized guidelines for accessing clean hydrogen production tax credits, setting out strict criteria for projects to prove their low carbon, identifiable, and local energy sources. While these requirements may add costs and complexities, many experts see them as achievable and vital for the commercial success of clean hydrogen initiatives. The guidance allows flexibility for certain projects to meet the criteria, potentially strengthening their viability. The rules maintain stringent conditions for green hydrogen projects, with an emphasis on hourly matching of renewable power until 2030, to drive down emissions and costs. Additionally, the guidelines open the door for nuclear power projects and blue hydrogen to qualify for tax credits, requiring robust emissions profiles and adherence to EPA reporting standards. Despite challenges in aligning with state and federal standards, the Treasury's decision aims to make green hydrogen economically viable without subsidies by 2035. Projections suggest a cost reduction to $3.50/kg by 2030, making green hydrogen competitive against gray hydrogen in the future. Overall, the guidelines intend to promote the growth of clean hydrogen projects while ensuring environmental sustainability and regulatory compliance.