The long-delayed rules around the federal government’s Hydrogen Production Tax Credit (PTC), also known as 45V, had been the subject of heated debate — and lobbying — since passage of the Inflation Reduction Act (IRA) way back in August 2022. But after more than a year of speculation — and with the Biden administration in its last days — the final rulemaking has at last been published. In today’s RBN blog, we’ll look at how the final rulemaking compares with the initial guidelines established in December 2023, detail the key areas where the rules have been made more lenient, and explain why clean hydrogen still faces an uncertain future, while also previewing our first Drill Down report of 2025. 

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