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

financeApr 28, 2026312,132

The national average for regular gasoline rose to $4.176 per gallon on April 28, 2026, the highest level since the start of the U.S.-Iran war. Brent crude topped $111 per barrel as stalled negotiations with Iran and ongoing Middle East tensions tightened supply expectations. Some markets saw sharp overnight moves; Cincinnati jumped more than 21 cents to $4.055 per gallon, illustrating uneven regional impacts. Higher pump prices will raise transportation and grocery costs, squeeze household budgets ahead of the midterm elections, and increase pressure on Washington to pursue diplomatic or market measures.

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