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US Senate Rejects Bid to Halt Trump’s Iran War as Fuel Costs Rise

The US Senate rejected a resolution seeking to end Donald Trump’s military campaign against Iran without congressional authorisation, while rising fuel prices and the war’s economic costs continue to fuel debate in Washington.

US Senate Rejects Bid to Halt Trump’s Iran War as Fuel Costs Rise

The US Senate has rejected a resolution that sought to stop President Donald Trump’s military campaign against Iran unless Congress formally authorised continued hostilities. The measure failed by a narrow 50-49 vote on Thursday, September 24, despite growing concerns over the economic impact of the conflict.

Four Republican senators joined Democrats in supporting the resolution, while Democratic Senator John Fetterman voted against it. The measure had already passed the House of Representatives in July with support from some Republicans.

The vote came as the Iran conflict, now more than seven months old, has become increasingly linked to rising fuel prices and broader cost-of-living concerns in the United States.

Rising Fuel Prices Add Pressure

Higher energy costs have become a growing concern for American households. Diesel prices have climbed to more than $6 a gallon, according to AAA, putting additional pressure on transportation, farming and other industries that rely heavily on diesel fuel.

The increase in fuel costs is also becoming an issue in the run-up to the November midterm elections. Some Republican lawmakers facing competitive races have begun calling for measures to reduce the pressure on consumers, while others have questioned aspects of the administration's approach to the conflict.

A recent Reuters/Ipsos poll found that 32% of respondents approved of Trump's overall performance, while 34% approved of his handling of the military strikes against Iran. The survey was conducted among 1,277 US adults and had a margin of error of three percentage points.

Republicans Show Differences Over Iran War

Although the resolution failed, several Republican senators have increasingly expressed concerns about the conflict and its economic consequences.

Senators Susan Collins, Lisa Murkowski and Rand Paul supported the measure, as they have done during previous war powers votes. Senator Thom Tillis also voted in favour. Other Republicans, however, argued that the president was acting within his authority and opposed the resolution.

The Senate vote was the 14th time lawmakers have considered a war powers resolution related to Trump's Iran campaign since the conflict began on February 28. Such resolutions provide Congress with a means of formally expressing opposition to military action, although they do not carry the same force as legislation that becomes law.

Congress Has Other Options

The defeat of the resolution does not end congressional efforts to challenge the administration's military strategy.

Lawmakers could attempt to restrict funding for the conflict through the congressional budget process. The White House has requested an additional $87.6 billion for the war and other related needs, but that funding package has not advanced in Congress.

The conflict has already cost an estimated $43.5 billion, according to figures cited in the report. Meanwhile, the continued rise in energy prices has increased pressure on lawmakers to address the economic consequences of the war.

With the midterm elections approaching, the Senate vote highlights the growing political debate in Washington over the duration of the Iran war, presidential war powers and the impact of higher energy costs on American consumers.

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Sep 25, 2026