What Happened to the D4 RIN Price?

In the last 2 weeks, Hoekstra’s D4 RIN theoretical price (named D4T) has fallen by 44 cents, from $1.45 to $1.01 per RIN, while the market price of the 2026-vintage D4 RIN fell by 9 cents, from $1.61 to $1.52. In analyzing this difference, the first key point is that the ultra-low sulfur diesel (ULSD)…

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