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Posted June 10, 2026

Higher blending targets drive RIN prices close to record highs ›

Daily inflation-adjusted spot prices for biomass-based diesel (D4) and ethanol (D6) RINs

Data source: Bloomberg L.P. and the U.S. Bureau of Labor Statistics
Note: RIN=renewable identification number; real prices are adjusted to May 2026 dollars.

Compliance credits for biomass-based diesel and ethanol have doubled in value since the start of this year. The credits, known as renewable identification numbers (RINs), have increased in price, mostly because of higher U.S. biofuel blending targets. The combination of high RIN prices and rising motor gasoline and diesel fuel prices has created an especially favorable market for producing and blending biofuels.

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