What caused D4 RIN prices to hit a record $2.32 in late March 2024, and how do EPA mandates and oil market volatility contribute?

D4 RIN prices surged to a record $2.32 on Friday—up from ~$1.50 before March 27—primarily due to the EPA’s newly announced 2026 biomass-based diesel mandate of 9.07 billion RINs, which sharply increased demand for biodiesel and renewable diesel blending credits; concurrently, oil market volatility amplified the move: falling diesel prices (driven by hopes of an Iran conflict resolution) widened the price gap between diesel and biodiesel, requiring higher RIN prices to compensate blenders for the added cost of using more expensive biofuels.

Why are D4 RIN generation levels failing to meet the EPA’s monthly requirement, and what is the current shortfall?

D4 RIN generation remains significantly below the EPA’s monthly target, with only 690 million RINs generated in April versus the roughly 915 million needed each month to meet the 9.07 billion annual mandate—a shortfall of about 225 million RINs per month—which is directly pressuring RIN prices upward.

Renewable fuel credit prices hit records on U.S. biofuel mandates, oil market volatility

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U.S. renewable fuel credits hit record highs in 2026 driven by strict EPA mandates and rising soybean oil costs. Geopolitical tensions impacting diesel markets further widen price gaps, pressuring biofuel producers to meet blending requirements.

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