WASHINGTON, Dec. 23 -- Rocky Mountain Institute issued the following news release: On Friday, December 22, the US Treasury Department released proposed guidance for the Inflation Reduction Act's (IRA) clean hydrogen tax credit. The guidance conditions eligibility for this tax credit, an incentive of up to $3/kilogram, on the hydrogen produced using clean power sources. Notably, the guidance enables grid-connected hydrogen projects to qualify for the credit while setting evidence-based guardrail  more