U.S. diesel prices have doubled since a war with Iran began in February 2026, causing the Trump administration to authorize the highway use of tax-exempt red-dyed diesel on October 6, 2026

From the articleTrump announces deal with Putin to release Russian dieselAlso in Trump eases Russia sanctions, says Putin will release diesel amid massive price spikes, Trump announces Russia will release millions of tons of diesel to help with skyrocketing costs