Trump Permits Cheaper Tax-Free Red-Dyed Diesel on Highways to Blunt Historic Fuel Cost Spikes

CNBC•Published: Oct 6, 2026 11:47 AM IST

President Donald Trump signed an executive order temporarily allowing truckers and farmers to use cheaper, tax-exempt red-dyed diesel on public highways to lower surging fuel costs. The administration also deferred federal highway diesel excise taxes through the end of 2026 and directed the Treasury to explore completely eliminating these tax obligations.

Tax Exemption: The order permits the use of red-dyed diesel, normally restricted to off-road farm and construction equipment, saving truckers over $100 per fill-up by bypassing the 24.4 cent-per-gallon highway tax.
Historic Price Spikes: U.S. national average diesel prices topped $6 a gallon in September for the first time due to supply disruptions from conflicts in Ukraine and Iran.
Global Reserves Release: Alongside domestic measures, G7 nations agreed to release 100 million barrels of diesel and crude reserves following pressure from the Trump administration.

The Context & Background

The policy shift comes as supply disruptions and a lack of refining capacity push transportation costs to unprecedented levels, causing Americans to spend roughly $700 million more daily on fuel compared to the previous year.

Why it matters:Allowing tax-exempt red-dyed diesel on highways provides immediate financial relief to truckers and consumers grappling with historic fuel prices. By lowering transportation costs, the policy aims to curb broader inflationary pressures on goods and supply chains ahead of critical elections.

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