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US Gas Prices Hit $4.28 as Inflation Data Looms

By Markets Desk · 2026-09-11 · 2 min read
A gas pump nozzle resting on a concrete surface next to a blurred highway landscape
Illustration: Tradingbird

Nationwide average gas prices rose 7% to $4.28, outpacing forecasted headline inflation of 3.3% and complicating the Federal Reserve's decision-making process.

The nationwide average cost of a gallon of gas reached $4.28 on Thursday. This represents a 7% increase from the previous month. The price marks a record high for the Labor Day period. Diesel fuel prices have also reached all-time highs. These figures arrive ahead of Friday's inflation report. The report is expected to show headline inflation at 3.3%. This is down from 3.4% but remains above the Federal Reserve's 2% target.

Core inflation is projected to rise 2.4% year-over-year. This is a slight decrease from the 2.5% recorded in July. Monthly core prices are forecast to increase by 0.2%. Higher energy costs are expected to reverse these gains in the coming months. Renewed conflict in the Middle East has driven up oil and gas prices. This geopolitical tension poses a direct risk to consumer spending.

Energy Costs Drive Price Increases

Economists previously viewed high gas prices as temporary shocks. Tariffs and AI infrastructure investments were also cited as temporary factors. However, the Iran conflict has not subsided. President Donald Trump stated that gas prices will not fall before the November midterm elections. This suggests a prolonged disruption to energy markets. Trade disputes with Canada also maintain pressure on import costs.

Rising oil prices are spreading across the economy. Higher jet fuel costs will likely increase airfares. Expensive diesel fuel will raise shipping costs. This will impact the price of groceries and trucked goods. A recent wholesale price report showed a jump in chemical prices. This increase is linked directly to higher oil costs.

Federal Reserve Faces Split Decision

Federal Reserve policymakers are divided on the next interest rate move. The decision for the September 15-16 meeting is uncertain. Small variations in Friday's data could determine the outcome. The bank may hike rates to slow spending. Or it may leave the benchmark rate unchanged. Investors currently disagree on the final decision.

Treasury Moves Amid Rising Yields

The 10-year Treasury yield reached a nearly three-year high on Thursday. This spike was driven by fears of persistent inflation. Treasury Secretary Scott Bessent has increased bond buybacks. This action aims to lower long-term interest rates. Mortgage borrowing costs have risen in response to the yield increases. The administration seeks to counter voter concerns about high prices.

Based on reporting by GN auto markets/bonds: interest rates, compiled by the Tradingbird desk.

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