Grundy County had one gas station selling E15 gas at the lowest price of $4.13 per gallon during the week ending Oct. 3, according to customer reports submitted to GasBuddy.
GasBuddy reports listed only one gas station in Grundy County.
Across Iowa, the average reported price for a gallon of E15 gas fell to $3.94, compared to the week before.
Fuel prices climbed sharply in spring 2026 as tensions in the Middle East disrupted global oil shipments and refinery outages tightened gasoline supplies in parts of the United States.Prices eased in early October 2026, but remained well above year-earlier levels. The national average for regular gasoline was $4.35 per gallon on Oct. 5, down 11 cents from the previous week but up $1.23 from a year earlier, according to the U.S. Energy Information Administration. Regional averages ranged from $3.91 per gallon on the Gulf Coast to $5.73 on the West Coast, including California.
Crude oil and fuel prices rose during the third quarter of 2026 amid disruptions to Middle Eastern supplies, according to the U.S. Energy Information Administration. U.S. refineries operated at an average 95% of capacity, yet the average gasoline crack spread, a measure of refining margins, more than doubled from a year earlier as global fuel supplies tightened. U.S. gasoline inventories were 7% below their 2021-25 average in late September, 2026.
Gas price data reflects cash payments. Some stations may charge higher prices for credit card transactions due to processing fees, though such surcharges are prohibited in some states and territories.
Data is accurate as of press time, but gas prices have been known to fluctuate on a daily, and even hourly, basis.
Information in this article was obtained from GasBuddy. The source data can be found here.