The American Fuel and Petrochemical Manufacturers has delivered a sharply worded letter to House Speaker Mike Johnson and Senate Republican Leader John Thune, accusing the Trump administration of saddling U.S. refiners with unmanageable costs through its biofuel programme and related trade measures. The 25 July letter, seen by Reuters, describes the administration’s latest proposal to lift annual biofuel-blending quotas as a threat to domestic fuel makers, consumers and the president’s own “energy dominance agenda.” AFPM estimates the Environmental Protection Agency’s plan would push the industry’s cumulative compliance bill near $70 billion, citing higher renewable-fuel credits, reduced allowances for imported feedstocks and tighter waiver rules for small refineries. The group also faults recent tariffs on biofuel ingredients and the summertime nationwide sale of high-ethanol gasoline, arguing that the measures undercut refinery margins while offering little benefit to energy security. The rebuke exposes a widening split between large integrated oil producers—many of which have invested in biofuels—and independent refiners such as PBF Energy and CVR Energy that depend on traditional petroleum throughput. AFPM said it hopes Congress will curb the EPA proposal and revisit tariffs that raise costs for U.S. refiners already contending with flat national processing capacity of about 18 million barrels a day.