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U.S. gas prices hit highest level since start of Iran war

financeApr 28, 2026301,768

The U.S. national average gasoline price rose to $4.176 per gallon on April 28, 2026, the highest level since the Iran war began, as Brent crude topped $111 per barrel amid stalled negotiations over the conflict. Some local markets saw abrupt overnight jumps, with Cincinnati prices increasing more than 21 cents to $4.055 per gallon while other regions recorded smaller gains or remained below the national average. Energy analysts attribute the rise to tighter oil markets driven by geopolitical risk around Iran and persistent production constraints that push wholesale crude costs higher and filter down to pump prices. Higher pump prices raise commuting and delivery costs for households and intensify economic and political pressure on policymakers ahead of this year's midterm elections.

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