The article focuses on the joint efforts of Clean Air Task Force (CATF) and Environmental Defense Fund (EDF) to analyze and provide comments on the 45V Clean Hydrogen Production Tax Credit in the U.S. The tax credit aims to incentivize the production of clean hydrogen by rewarding producers whose greenhouse gas (GHG) intensity falls below a certain threshold. CATF and EDF emphasize the importance of accurately accounting for methane emissions from oil and gas operations, as methane's high warming potential can significantly impact the overall GHG intensity of fossil-based hydrogen. The two organizations argue that a single national average for methane emissions underestimates true project emissions, obscuring the variability in leakage rates across companies and geographies. They suggest that using more granular methane estimates, such as producer- or basin-specific rates, can better incentivize investments in methane emission reductions. Additionally, CATF and EDF caution against allowing hydrogen producers to cherry-pick between submitting their own leak rates or using a fixed national average, as this may skew the industry's overall performance. By providing a set of principles to guide methane accounting for 45V eligibility, CATF and EDF aim to ensure that the tax credit drives investments in low-emissions projects and encourages continuous improvements in methane abatement. The article underscores the importance of aligning tax credit policies with climate goals and emphasizes the need for a comprehensive approach to reducing methane emissions in the energy industry.