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2023 CFR > Title 10 > CHAPTER II > SUBCHAPTER D > PART 431 > Subpart R > Energy Conservation Standards

2022 CFR > Title 10 > Chapter II > Subchapter D > Part 431 > Subpart R > Energy Conservation Standards – Energy Conservation Standards

2021 CFR > Title 10 > Chapter II > Subchapter D > Part 431 > Subpart R > Energy Conservation Standards – Energy Conservation Standards

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2016 CFR > Title 10 > Chapter II > Subchapter D > Part 431 > Subpart R > Energy Conservation Standards

2015 CFR > Title 10 > Chapter II > Subchapter D > Part 431 > Subpart R > Energy Conservation Standards