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Research Brief
The impact of the proposed “first productive use” requirement for biogas for Inflation Reduction Act 45V tax credits
This brief highlights the importance of the “first productive use requirement” in the proposed guidance for the Section 45V tax credits.

Research Brief
Evaluating the policy value of dairy biomethane-derived hydrogen in California’s Low Carbon Fuel Standard
This brief provides key takeaways and recommendations for policies to limit the contribution of out-of-state, out-of-sector Low Carbon Fuel Standard credits.
