Higher fuel prices and economic fallout from the 2026 war with Iran emerged as a political liability for Republicans ahead of the U.S. midterm elections.

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U.S. President Donald Trump argued that higher fuel prices resulting from the Iran war were necessary to prevent Tehran from securing nuclear weapons.

Iraq exports approximately 500,000 tonnes of fuel oil per month by lorry across Syria to Baniyas port while importing petrol through the same route to cover a daily shortfall of 5 million litres.

The United States Department of War updated its estimate to Congress, reporting $47.1 billion spent on military operations in the Iran conflict as of October 16, 2026.

Replacements for lost equipment and depleted munitions accounted for approximately of the United States' $47.1 billion military expenditure in the Iran war as of October 16, 2026.

Saudi Arabia's Ras Tanura energy complex along the Gulf coast has a refining capacity of 550,000 barrels per day

Maritime security agency Vanguard and Bloomberg News reported that a fire near Saudi Arabia's Ras Tanura oil refinery and terminal was contained on October 27, 2026

The U.S.-Israel war against Iran upended the global economy by causing oil prices to skyrocket and driving up inflation

A U.S. Central Command estimate provided to Congress showed U.S. military costs for the U.S.-Israel war against Iran reached $47.1 billion as of October 16, 2026

Rising U.S. costs and global energy price increases from the U.S.-Israel war against Iran created political challenges for Republicans ahead of the November 3, 2026 midterm elections

The U.S. military's $47.1 billion Iran war cost estimate excludes expenses required to repair U.S. bases in the Middle East damaged by Iranian missile and drone strikes

U.S. Defense Secretary Pete Hegseth previously estimated the U.S. military cost of the U.S.-Israel war against Iran at $37.5 billion in July 2026

The U.S.-Israel war against Iran's impact on global energy costs weighed on support for Republican candidates and lowered U.S. President Donald Trump's approval ratings

Moody's Analytics estimated that the U.S.-Israel war against Iran has cost the average American household $2,000 as of October 2026

U.S. President Donald Trump struck a deal to import Russian diesel and eased energy sanctions on Russia in October 2026 to encourage peace negotiations

U.S. President Donald Trump pressured Ukraine to stop drone strikes on Russian oil refineries during his October 2026 diplomatic push

In August 2026, the United States reached an agreement to take majority control of over 65 billion barrels of proven oil reserves in Venezuela

U.S. President Donald Trump stated that Washington was deliberating whether to end the Iran war that began on February 28 quickly through major attacks or rely on a naval blockade and sanctions

A U.S. naval blockade on Iranian ports has restricted Iranian crude oil exports and caused medicine shortages inside Iran

Attacks on oil tankers in the Strait of Hormuz drove Brent crude oil prices above $117 per barrel, marking an 80 percent increase in 2026

The Islamic Revolutionary Guard Corps reported that seven oil tankers were attacked or hit mines in the Strait of Hormuz overnight into October 22, 2026, followed by two supertankers on October 23