Notice of Reinstatement of the Gasoline Volatility Waiver for Ohio
Published Date: 2/4/2026
Notice
Summary
The EPA just gave Ohio the green light to bring back a special rule that lets summer gasoline with 10% ethanol be a bit more volatile (1 psi higher). This change helps Ohio gas stations and drivers by allowing easier fuel blends starting February 4, 2026, and could save money on fuel costs. Ohio folks and fuel sellers should get ready for this smoother, more flexible gas rule making summer driving a little easier!
Analyzed Economic Effects
3 provisions identified: 2 benefits, 0 costs, 1 mixed.
No separate summer blendstock needed
Refiners, distributors, and fuel sellers in Ohio no longer need to provide a different gasoline blendstock for use in Ohio in the summer months compared to surrounding states. This change takes effect April 28, 2026 when the 1-psi waiver is reinstated.
Ohio lets E10 run 1‑psi higher
If you buy gasoline in Ohio that contains 10% ethanol (E10), the finished fuel volatility can be 10.0 psi in the summer months. The EPA approved reinstating the 1-psi volatility waiver for Ohio, effective April 28, 2026 (EPA notified Ohio on January 28, 2026).
Other Midwest rules remain unchanged
The reinstatement of Ohio's 1-psi waiver does not change regulatory requirements for other Midwest states that limit the volatility of E10, as provided in 40 CFR 1090.215(b)(3). The notice explicitly preserves those other states' existing limits.
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