A White House executive order signed Oct. 5 will defer federal diesel excise taxes through Dec. 31, 2026, delivering an estimated $640 million in combined federal and state savings spread across roughly 224.6 million harvested acres, U.S. Secretary of Agriculture Brooke Rollins said.

President Donald J. Trump directed the Treasury secretary to invoke authority under 26 U.S.C. 7508A and postpone payment of the taxes imposed by 26 U.S.C. 4041(a)(1)(A) and 26 U.S.C. 4041(b)(1)(B) on fuel incurred during the Oct. 5, 2026–Dec. 31, 2026 window.

Which diesel taxes does the deferral actually cover?

The order targets the federal excise tax on diesel fuel and the corresponding tax on kerosene sold for use in diesel-powered highway vehicles. Within five days of the order, the Treasury secretary — consulting with the secretary of war "as appropriate" — must determine whether a "qualifying event" has occurred and which taxpayers the relief reaches.

What IRS relief comes with the deferral?

Within the same five-day window, Treasury must direct the Internal Revenue Service to announce it will not impose penalties under 26 U.S.C. 6715(a)(1) or 26 U.S.C. 6715(a)(2) when dyed diesel is sold for highway use or used on highways between Oct. 5 and Dec. 31, 2026. The IRS notice also must cover relief from penalties for failure to make semimonthly tax deposits during the period.

What did Trump and Rollins say?

Trump wrote that "Farmers and truckers are essential to the American way of life. Restricted global diesel supply has led to rising prices, and these key industries have been particularly hard hit." He added: "While my administration has already undertaken historic efforts to ensure fuel affordability for our citizens, it is clear that further temporary relief is necessary."

Rollins framed the action inside an "energy dominance" message. "President Trump is the most pro ranching and farming president in our lifetime," she said in a news release. "Energy dominance is at the core of putting farmers and ranchers first."

She said the administration has made the U.S. "the largest energy producer in the world" and added that the order aims to "better enable our farmers to deliver America's harvest during this critical time."

Who else is involved and what happens next?

The order directs the secretaries of agriculture and transportation to facilitate implementation. Treasury must publish guidance naming specific covered taxpayers, locations, acts, liabilities, deadlines and the repayment date for any postponed taxes.

The administration is also evaluating legislation that could erase the deferred obligations outright rather than simply delay them, and is reviewing how fuel-compliance resources will be allocated.

Rollins' $640 million figure works out to roughly $2.85 per harvested acre if applied evenly across the 224.6 million acres she cited, though the estimate bundles state-level savings with the federal deferral.

The Treasury secretary's five-day qualifying-event determination deadline falls Oct. 12. Farmers, fuel distributors and trucking operators should expect IRS penalty-relief guidance — and the start of the deferred-tax clock — by that date, with any postponed taxes coming due after the Dec. 31, 2026 cutoff on a schedule Treasury has yet to set.