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Relaxation of Summer Gasoline Volatility Standard for Several Parishes in Louisiana

Relaxation of Summer Gasoline Volatility Standard for Several Parishes in Louisiana
Basic Information
Legal Authorities
  • 42 U.S.C. §7545
Code of Federal Regulations Citations
  • 40 CFR Part 80
Docket Numbers
  • EPA-HQ-OAR-2016-0683

On this page:

  • Rule Summary
  • Additional Resources

Rule Summary

The Environmental Protection Agency (EPA) issued a final rule on December 15, 2017 to relax the federal volatility (RVP) standard applicable to gasoline supplied to the 11 Louisiana parishes of Beauregard, Calcasieu, Jefferson, Lafayette, Lafourche, Orleans, Pointe Coupee, St. Bernard, St. Charles, St. James, and St. Mary from 7.8 pounds per square inch (psi) to 9.0 psi during the summer ozone season.

Additional Resources

Rulemaking and supporting documents

  • Fact Sheet: EPA Approves Request from Louisiana to Relax the Federal Summer Gasoline Volatility Standard in Several Parishes (pdf) (436 KB, EPA-420-F-17-021, December 2017)
  • Final Rule (pdf) (246 KB, published December 26, 2017)
  • Notice of Proposed Rulemaking (pdf) (222 KB, published August 9, 2017)

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Last updated on May 29, 2025
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