The U.S. Treasury Department and IRS released final rules on clean hydrogen production, outlining the criteria for companies to qualify for tax credits of up to $3 per kilogram. This move provided much-needed clarity for industry players, boosting confidence in investments in hydrogen projects. The hydrogen tax credit, a component of the Inflation Reduction Act signed by President Biden, aims to incentivize the production of clean hydrogen through renewable sources. Companies like Plug Power, Constellation Energy, Vistra, and nuclear energy providers saw significant stock increases as a result of the revised rules. Plug Power, a key player in green hydrogen, received a $1.6 billion commitment from the U.S. Department of Energy for clean hydrogen development. The company has been working on scaling up its green hydrogen supply chain and has faced challenges in meeting supply demands despite customer contracts with major retailers like Amazon and Walmart. Additionally, companies focused on small modular reactors, such as Oklo, Nano Nuclear Energy, and NuScale Power, also experienced stock surges due to the positive outlook on nuclear energy and clean hydrogen. The Treasury's decision to allow nuclear power companies to qualify for hydrogen tax credits further contributed to the market optimism and growth potential in the clean energy sector. The article highlights the positive impact of the revised rules on the energy industry and showcases the increasing interest and investments in clean hydrogen production and infrastructure.