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Fuel Stations: E15 and Underground Tank Compatibility

New rules will make it easier for gas stations to sell E15 gasoline (with 15% ethanol) by deeming existing tanks compliant. This could increase the availability of E15 and potentially affect its price. Future installations will need to be ready for fuels with higher ethanol content.
Key points
Gas stations will not need to prove compatibility of older underground tanks with E15 fuel, simplifying its sale.
New tanks and components installed in the future must be compatible with fuels containing up to 100% ethanol, preparing infrastructure for future changes.
E15 dispenser labeling rules will be standardized, which may help drivers identify the fuel.
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Additional Information
Print number: 119_HR_4864
Sponsor: Rep. Smith, Adrian [R-NE-3]
Process start date: 2025-08-01