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Iran Closes Strait of Hormuz Again: What It Means for Gas Prices in Spartanburg

Published April 18, 2026 at 8:49 pm | By Hollis V. Blackwell, Staff Reporter

Gas station with high fuel prices in the Southeast United States

Iran reversed course Saturday and reinstated restrictions on the Strait of Hormuz, one of the world’s most critical shipping lanes for oil and natural gas, just hours after signaling it would reopen the waterway. The Iranian military declared the strait is back under “stringent management and oversight” and warned it would remain closed as long as the U.S. maintains its blockade on Iranian ports.

President Trump responded by warning that if no peace deal is reached by Wednesday, “we’ll have to start dropping bombs again.” The mixed signals sent shockwaves through global energy markets, with shipping firms describing a “landscape of confusion and unpredictability” around the passage through which roughly 20 percent of the world’s oil supply moves daily.

What This Means for Spartanburg Drivers

Upstate South Carolina motorists should brace for potential increases at the pump. While current gas prices in Spartanburg County hover around $3.15 per gallon, analysts warn that a prolonged closure of the strait could push prices significantly higher in the coming weeks. The Spartanburg area’s heavy reliance on personal vehicles for commuting — with limited public transit options — means any price spike hits local family budgets harder than in metro areas with robust transit systems.

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Local trucking and logistics companies that operate out of the Inland Port and along the I-85 corridor are also monitoring the situation closely. Increased fuel costs could ripple through the supply chain, affecting everything from grocery prices to manufacturing costs at BMW and other major Upstate employers.

What’s Happening: Quick Q&A

Q: What is the Strait of Hormuz?

A: A narrow waterway between Iran and Oman through which about one-fifth of the world’s oil passes daily. Its closure disrupts global energy supply chains.

Q: How could this affect Spartanburg?

A: Rising oil prices mean higher gas costs for commuters and increased shipping expenses for businesses along the I-85 corridor and at the SC Inland Port.

Q: When might prices go up?

A: Analysts say it takes several weeks for disrupted oil flows to fully impact retail gas prices, but markets often react immediately on speculation.

What's Happening
When and where is this happening?
Iran reversed course Saturday and reinstated restrictions on the Strait of Hormuz, one of the world’s most critical shipping lanes for oil and natural gas, just hours after signaling it would reopen the waterway. The Iranian military declared the strait is back under “stringent management and oversight” and warned it would remain closed as long […]
Who is involved?
This story involves the Breaking News community in Spartanburg County. More details are being gathered.
Why does this matter to Spartanburg?
HERE Spartanburg covers stories that directly affect our community. Stay connected for continued local coverage.
Hollis V. Blackwell
HERESpartanburg · BREAKING NEWS

M. Marvin Dobson covers Spartanburg city and county government for HERE Spartanburg, with a focus on City Council votes, county budget deliberations, zoning decisions along the I-85 and I-26 corridors, and state legislation affecting Upstate businesses.

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