National Average Gasoline Price Increases just shy of One Penny Week over Week

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After just one week, the nation’s average price of gasoline has swung back to an incline, rising 0.9 cents compared to a week ago and stands at $3.10 per gallon, according to GasBuddy® data compiled from more than 12 million individual price reports covering over 150,000 gas stations across the country. The national average is down 6.5 cents from a month ago and is 37.5 cents per gallon lower than a year ago. The national average price of diesel has increased 1.6 cents in the last week and stands at $3.709 per gallon.

“It’s been another relatively quiet week for average gas prices, with most states seeing modest or slight declines, while a handful of price cycling states experienced the most noticeable fluctuations,” said Patrick De Haan, head of petroleum analysis at GasBuddy. “Oil prices continue to hover in the mid-to-upper $60s, and with gasoline demand starting to ease as we head into August, we could see prices gradually decline as we approach Labor Day. That said, this is also the time of year when the tropics begin to stir, so we’ll be keeping a close eye on hurricane activity that could disrupt supply and shift the outlook.”

After the European Union and the U.S. reached a trade agreement over the weekend, energy markets turned optimistic about demand growth, pushing oil prices higher. In early Monday trade, a barrel of WTI crude oil was up $1.30 to $66.46, up from last week’s $67.31 per barrel start, while Brent crude oil tacked on $1.33 per barrel to $69.77, up from last Monday’s $69.05 per barrel fetch. Easing trade tensions are likely to result in rising economic activity and consumption, also pushing up energy and oil demand globally.

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The EIA’s Weekly Petroleum Status Report for the week ending July 18, 2025, showed U.S. oil inventories fell by 3.2 million barrels and are about 9% below the seasonal average for this time of year, while the SPR fell 200,000 barrels to 402.5 million.

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The states with the lowest average prices: Mississippi ($2.66), Oklahoma ($2.67), and Louisiana ($2.73).

The states with the highest average prices: California ($4.42), Hawaii ($4.42), and Washington ($4.34).

Biggest weekly changes: Ohio (+12.0¢), Indiana (-9.8¢), Nevada (-8.7¢), Hawaii (-7.7¢), Washington (-6.6¢)

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The states with the lowest average diesel prices: Texas ($3.20), Mississippi ($3.30), and Louisiana ($3.32).

The states with the highest average diesel prices: Hawaii ($5.21), California ($5.15), and Washington ($5.00).

Biggest weekly changes: New Mexico (+15.6¢), Colorado (+11.9¢), Oklahoma (+9.1¢), Hawaii (-6.0¢), Kentucky (-5.9¢).

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