President Donald Trump signed an executive order on Monday, October 5, 2026, aimed at reducing diesel fuel costs by expanding the availability of tax-exempt red-dyed diesel. During a campaign appearance in Grand Island, Nebraska, the president announced that the administration will officially waive the off-road requirement, allowing the dyed fuel to be purchased for any reason. Red-dyed diesel is traditionally restricted to off-road use in farming and construction equipment because it is exempt from the federal excise taxes applied to clear diesel used by on-road vehicles.
The move follows several weeks of rising fuel prices, with the national average for diesel reaching $6.32 per gallon on Monday. Prices previously hit a record high of $6.53 on September 22. The administration attributed the price increases to global supply constraints, including Ukrainian attacks on Russian oil refineries and an eight-month-old conflict with Iran. Before signing the order, the president had considered but ultimately rejected a diesel export ban after members of the Group of Seven agreed to release fuel from their stockpiles.
The executive order directs federal officials to halt enforcement of restrictions on dyed diesel and urges states to waive their own fuel taxes. Additionally, the president ordered the Treasury Department to conduct a review of federal diesel taxes. While some Republican governors have already implemented similar measures at the state level, some members of the party have expressed concern that suspending excise taxes could reduce the revenue needed for infrastructure projects and road repairs.
The scale of the impact is currently limited to the existing stocks of dyed diesel. Tom Kloza, chief oil analyst at Gulf Oil, described the measure as a "cosmetic gesture," stating that the quantity of diesel released would not be sufficient to replace the barrels lost due to international conflicts. ClearView Energy Partners reported that as of October 2, 10 states—representing about one-third of all U.S. diesel sales—had already taken steps to expand the use of dyed fuel. The executive order attempts to nationalize these efforts, but analysts like Denton Cinquegrana of Dow Jones Energy noted that suspending taxes may only provide short-term relief while delaying necessary funding for road maintenance.
What happens next depends on how quickly the Treasury Department completes its tax review and how many additional states follow the president’s recommendation to waive local fuel taxes. The directive is effective immediately following the signing on Monday, though the specific timeline for the Treasury review was not reported. The announcement coincides with the peak of the harvest season for farmers and comes ahead of the November midterm elections, where polling shows competitive races for Republican-held seats in several states, including Nebraska.