U.S. Gas Prices Dip Below $4 as Iran Deal Eases Oil Market Volatility

Key Highlights

  • Brent crude briefly dipped below $80 a barrel, a level not seen since early March.
  • The U.S. Released 172 million barrels from the Strategic Petroleum Reserve to stabilize markets.
  • The average cost of diesel is still over $5 per gallon despite easing gasoline costs.

Market Reaction to Iran Deal

The national average price of gasoline slipped under $4 per gallon, a level not seen since April, as the market responded to a provisional agreement with Iran that reduced geopolitical tension in the Strait of Hormuz. Brent crude briefly fell beneath $80 a barrel, a price threshold last observed in early March, providing additional relief for pump prices.

Energy Costs and Inflation

May’s consumer price index climbed 4.2% year‑over‑year, with energy costs accounting for more than 60% of that rise. Gasoline prices rose 3.9% from April before beginning to recede, yet they remain a notable component of the inflation picture.

Diesel Prices Remain Elevated

While the regular gallon of gasoline was creeping back above $4, the average cost of diesel is still over $5 per gallon, reflecting tighter supply dynamics in the heavy‑fuel market.

Strategic Reserve Drawdowns

In March, the Trump administration ordered the release of 172 million barrels from the Strategic Petroleum Reserve, contributing to a coordinated worldwide release of 400 million barrels. According to the Department of Energy, another 8.9 million barrels were drawn in the week ending June 12, further deple

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