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State-level mandates and policies
As of 2025, state-level policies on biofuel blending with gasoline continue to vary widely across the U.S., ranging from comprehensive carbon intensity reduction programs to more limited ethanol blending mandates.
Some states have adopted broad and market-based decarbonization schemes, most notably:
    •California´s Low Carbon Fuel Standard
    •Oregon´s Clean Fuels program
    •Washington´s Clean Fuel Standard
These programs establish specific carbon intensity reduction targets for transportation fuels and operate through carbon credit trading systems that help reduce the compliance cost for fuel suppliers while incentivizing low-carbon alternatives, including ethanol.
In contrast, some states continue to enforce traditional ethanol blending mandates, such as:
    •Minnesota,
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State-level mandates and policies