In the upcoming weeks, the Environmental Protection Agency (“EPA”) is expected to release a proposed rule that would greatly expand methane regulations for the oil and gas sector. While EPA has previously issued regulations for a smaller group of “new, modified or reconstructed” sources, these new regulations would apply to all existing sources, and may contain additional requirements beyond what EPA currently requires under Clean Air Act Subparts OOOO and OOOOa (also known respectively as Quad O and Quad Oa). There will be an opportunity to offer formal comments on EPA’s proposal in the weeks immediately after it is released.