The U.S. Treasury Department and the Internal Revenue Service recently revised rules for hydrogen production tax credits, leading to a positive impact on various energy stocks. The final rules on clean hydrogen production published by the Treasury provide guidelines for companies to qualify for a tax credit of up to $3 per kilogram. This move brought clarity to industry players, encouraging investments in hydrogen production projects. The tax credit, established as part of the Inflation Reduction Act signed by President Joe Biden, aims to support clean hydrogen production by offering financial incentives based on carbon emissions levels. The new rules enable nuclear power and natural gas producers to qualify for significant credits, facilitating the advancement of hydrogen production. Plug Power, a prominent player in green hydrogen technologies, witnessed a surge in its stock value alongside other energy companies. The company, known for manufacturing fuel cells and electrolyzers, has been focusing on expanding its clean hydrogen supply chain, serving major clients like Amazon, Walmart, and Home Depot. The market also saw a positive response to nuclear energy stocks, with companies like Constellation Energy and Vistra experiencing notable gains. Additionally, companies specializing in small modular reactors, such as Oklo, Nano Nuclear Energy, and NuScale Power, witnessed significant stock movements following the Treasury's rule changes. Overall, the revised rules have created a favorable environment for companies investing in clean hydrogen infrastructure, signaling a positive outlook for the future of renewable energy and nuclear power in the U.S. market.