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Average U.S. Gas Prices Pass $4 per Gallon Amid Escalating U.S.-Iran Conflict

2026-07-20

The BareStory

The national average price for a gallon of regular gasoline in the United States reached $4.003 on Monday, marking a 13-cent increase over the past week and crossing the $4 threshold for the first time in over a month. According to energy market data, diesel prices also rose to $5.11 per gallon on Monday, while Brent crude oil climbed 3.2 percent to $90.95 per barrel and U.S. benchmark crude rose 2.8 percent to $84.04 per barrel.

The renewed surge in fuel costs follows escalating military tensions between the United States and Iran over control of the Strait of Hormuz, a strategic waterway that handles roughly 20 percent of the global oil supply. The conflict, which began in late February, previously drove U.S. gas prices to a peak of $4.56 per gallon in May before prices temporarily moderated in June following a preliminary bilateral agreement.

The recent escalation has been marked by U.S. and Iranian military actions. U.S. Central Command reported that two U.S. service members were killed in an attack in Jordan on Friday, with one remaining missing, and another service member was killed in Iraq on Saturday. Additionally, U.S. officials reported that one service member died and another was wounded during a drone detonation in northern Iraq. On Sunday, President Donald Trump stated that the U.S. had launched retaliatory strikes against Iran, and U.S. officials have vowed swift punishment.

The rising cost of fuel is expected to affect the upcoming U.S. midterm elections. According to a Gallup poll conducted last month, two-thirds of surveyed Americans reported experiencing household financial hardship due to high fuel costs. Additionally, auto association data indicated that localized fuel prices in states such as Georgia and Michigan rose by nearly 20 cents over the course of a single week.

Left Perspective

  • Pivot to Diplomatic Engagement
  • Shield the Vulnerable Consumer
  • Escape the Escalation Trap

Right Perspective

  • Restore Credible Strategic Deterrence
  • Secure Vital Energy Chokepoints
  • Endure Short-Term Economic Friction

How it may affect me

As a U.S. reader:

• You will experience higher costs at the pump as the national average regular gas price rises past four dollars per gallon and diesel reaches over five dollars per gallon, contributing to household financial hardship.

• If you live in states such as Georgia or Michigan, you will face more severe, sudden localized price increases of nearly twenty cents in a single week.

• Your political landscape will be influenced by these energy costs, as the rising price of fuel is expected to affect the upcoming U.S. midterm elections.

• You may face the long-term risk of further energy price volatility and continued casualties of U.S. service members if military conflict escalates around the strategic Strait of Hormuz.

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