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Regulations last checked for updates: Feb 13, 2026
Title 40 - Protection of Environment last revised: Dec 22, 2026
All Titles
Title 40
Chapter I
Part 80
Subpart M - Subpart M—Renewable Fuel Standard
authority:
42 U.S.C. 7414
,
7521
,
7542
,
7545
,
and
source:
38 FR 1255, Jan. 10, 1973, unless otherwise noted.
cite as:
40 CFR 80.1409-80.1414
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