CFR›Title 10›Chapter II›Part 431›Subpart B›Subject Group Energy Conservation Standards ContainsSections 431.25–431.26CorpusDaily eCFRDisplayed edition2026-08-12Last updated2026-08-12 Sections 431.25 § 431.25 Energy conservation standards and effective dates. 431.26 § 431.26 Preemption of State regulations. Previous Certification Certification Next Labeling Labeling