Why Trump just loosened the rules on ‘dyed diesel’ — normally a farm fuel

by | Oct 7, 2026 | Top Stories

Why Trump just loosened the rules on 'dyed diesel' — normally a farm fuel

Diesel prices have surged this year, reaching a record average of $6.52 per gallon a few weeks ago before easing slightly, remaining approximately $2.60 higher than the previous year. The price spike stems from reduced maritime traffic through the Strait of Hormuz limiting crude shipments to refineries worldwide, combined with Ukrainian attacks on Russian refineries and reduced exports from Russia and China. Diesel powers much of the industrial supply chain, from agricultural equipment to transportation networks, making price increases likely to contribute to broader inflation.

Dyed diesel refers to regular diesel fuel colored red with dye, used primarily for off-road vehicles such as farm and construction equipment. Chemically identical to commercial diesel, it differs in taxation and permitted use. Traditionally exempt from the federal 24.4-cent-per-gallon tax on commercial diesel, dyed fuel has been restricted to off-road use, with users of the fuel on highways subject to IRS penalties of either $1,000 or $10 per gallon, whichever is greater. The new executive order eliminates these penalties through year-end, permitting highway use of dyed diesel.

The policy could provide meaningful savings for farmers, truckers, and other diesel-dependent workers. By allowing dyed diesel use on highways, workers avoid federal taxes and potentially state taxes averaging 35 cents per gallon, yielding combined savings of approximately 60 cents per gallon. However, experts note the measure faces practical limitations, as dyed diesel remains unavailable at most gas stations and typically requires purchasing from special wholesalers or rural retailers.

Experts question whether the executive order will substantially increase overall diesel supply. While it expands the pool of potential dyed diesel users, availability constraints limit accessibility for most consumers. Some politicians have proposed diesel export bans as an alternative supply-side solution, but refiners have opposed such measures, arguing that restricting exports would create storage problems and ultimately force refineries to reduce overall production, potentially raising prices for all refined petroleum products.

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