Regulations last checked for updates: May 24, 2025

Title 40 - Protection of Environment last revised: Apr 24, 2028
All TitlesTitle 40Chapter IPart 80Subpart 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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