Energy stationary sources subject to Rule 112(i)(4) of the Clean Air Act, 42 U.S.C. 7412(i)(4), are exempt from compliance with the Rule for a period of 2 years beyond the Rule’s compliance date.
https://www.whitehouse.gov/presidential-actions/2025/04/rregulatory-relief-for-certain-stationary-sources-to-promote-american-energy/