Understanding the Impact of Trump's Gas Tax Suspension Proposal

By Patricia Miller

May 14, 2026

2 min read

President Trump supports a gas tax suspension to ease rising fuel prices amid geopolitical tensions affecting energy costs.

President Trump supports the idea of suspending the federal gas tax to alleviate the pressure from rising fuel prices. Gasoline prices have surged beyond $4.50 per gallon, with diesel hitting $5.70, largely due to geopolitical tensions, including the conflict in Iran, which has influenced energy costs significantly.

The federal gas tax currently stands at 18.4 cents per gallon for gasoline and 24.4 cents for diesel. In this political landscape, Sen. Josh Hawley of Missouri has put forth S. 4485, proposing a 90-day suspension of the gas tax, effectively setting it to zero temporarily.

On the other side, Sen. Mark Kelly’s S. 4032 suggests a more long-term approach, advocating for the tax suspension to last until October 1, 2026. Additionally, Rep. Brendan Boyle's H.R. 8600 introduces a mechanism whereby the gas tax would be suspended automatically if the national average price exceeds $3.99 per gallon.

While the exact timeline remains unclear, the discussions surrounding the gas tax suspension indicate lawmakers are becoming increasingly concerned about ongoing high energy costs and their impacts on consumers.

The federal gas tax contributes approximately $10 billion annually to the Highway Trust Fund, which supports crucial infrastructure projects, such as road construction and bridge repairs. A quarter’s suspension could lead to significant revenue losses for this fund. Historical data from state-level gas tax suspensions show mixed reactions; some states have experienced a price drop equivalent to the tax, while others saw the decrease partially absorbed by supply chain costs before benefiting consumers.

So, what does this mean for consumers and investors? For individuals, the savings from a suspension of 18.4 cents per gallon would be relatively modest. For instance, filling a 15-gallon tank would result in savings of about $2.76 per fill-up, totaling roughly $30 to $40 over a 90-day period. If Sen. Hawley’s bill gains traction, it might quickly advance through Congress. However, if lawmakers opt for the longer timeline proposed by Sen. Kelly, it suggests expectations of sustained high energy costs into the future, requiring consumers to adjust their budgets accordingly. Understanding these legislative moves could provide strategic insights into future fuel price trends and their broader implications on investments in energy and infrastructure sectors.

Important Notice And Disclaimer

This article does not provide any financial advice and is not a recommendation to deal in any securities or product. Investments may fall in value and an investor may lose some or all of their investment. Past performance is not an indicator of future performance.