EPA Biofuel Plan Keeps Fuel Costs on Fleet Watchlist

EPA keeps reallocation in play

The Environmental Protection Agency plans to reallocate 100% of the difference between actual and exempted 2025 small-refinery biofuel volumes into 2026 and 2027 obligations, according to Transport Topics' Bloomberg report.

The proposal follows the administration's decision to grant the largest small-refinery exemptions from biofuel blending mandates since 2017. EPA said the reallocation plan is intended to make up for lost biofuel demand and preserve markets for farmers, while refiners that did not receive exemptions would carry more of the compliance burden.

Fuel groups split on the cost

Biofuel groups praised the plan as a way to restore demand for ethanol and biodiesel. Growth Energy CEO Emily Skor said reallocating the lost gallons would support rural markets, and the Renewable Fuels Association urged EPA to finalize the plan quickly.

Refining groups took the other side. American Fuel and Petrochemical Manufacturers President Chet Thompson said the proposal would make fuel more expensive for U.S. consumers. The fight is centered on the Renewable Fuel Standard, which requires refiners to blend biofuels or buy tradeable renewable identification number credits, known as RINs.

The fleet angle is budget risk

Most fleet operators are not managing RIN positions directly, but they do live with the retail and wholesale fuel consequences. RIN prices, refinery obligations, blend economics and diesel supply all filter into fuel-card spend, surcharge assumptions, reimbursement rates and the timing of purchasing decisions.

The immediate action item is not to rewrite policy. It is to keep the proposal on the fuel-watch list for 2026 budgeting. Fleets with large diesel exposure should ask fuel-card providers, bulk-fuel suppliers and finance teams how biofuel-credit volatility is being reflected in forecasts, especially if pump prices stay elevated into the next buying cycle.