US average fuel price passes $4 a gallon for first time in four years amid Iran war

The Guardian US News
by Guardian staff
March 31, 2026
3 min read

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The Bottom Line

Gas prices hit $4.02 per gallon—highest in four years—driven by Trump's military operations against Iran.

How This Affects You

Average drivers face immediate cost increases: gas jumped from $2.98 to $4.02 per gallon in one month, raising fuel expenses for commuting, delivery, and travel.

AI Summary

The US average fuel price crossed $4 a gallon for the first time in four years, hitting $4.02 on Tuesday according to AAA data. Prices have surged dramatically over the past month, jumping from $2.98 just four weeks ago, driven by elevated oil markets amid the Trump administration's military operations against Iran. The last time pump prices reached this threshold was August 2022, making this a significant milestone for American drivers already grappling with inflation concerns. The sharp one-month spike reflects how geopolitical conflict in the Middle East directly translates to higher costs at the pump for US consumers. Energy markets remain volatile as the Iran situation continues.

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