US average diesel price rises to record $5.90 a gallon: AAA
Yahoo News
Last updated: September 7, 2026
The average price of diesel fuel in the United States has reached a new record high of $5.90 per gallon. This surge is attributed to disruptions in supply caused by damage to Gulf Coast refineries during the conflict involving Iran.
The average price of diesel fuel in the U.S. reached a record $5.90 a gallon on Monday, as reported by AAA.
This price increase is linked to the impact of the war against Iran.
Damage sustained by refineries located on the Gulf Coast has disrupted the supply chain for diesel fuel.
The reduction in available supply, coupled with ongoing demand, has driven prices upward.
This situation affects transportation and logistics across various sectors of the U.S. economy that rely on diesel.
The continued disruption to refinery operations is a primary factor contributing to the sustained high prices.
Motorists and businesses are experiencing the economic consequences of this record-high diesel cost.
The situation highlights the vulnerability of fuel supply chains to geopolitical events and natural disasters affecting infrastructure.
Further price movements will likely depend on the speed of refinery repairs and the resolution of the conflict impacting Iran.