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The Weekly Fill-Up | July 28 - August 1

This Week in Fuel: What You Need to Know About Gasoline, Diesel, and Propane Prices Across the U.S.

Gasoline Prices Hold Steady Amid Light Summer Demand

U.S. gasoline prices have seen modest movement this week, continuing a trend of flat to slightly lower pricing. According to YCharts, the national average retail price for gasoline sat at $3.246 per gallon as of July 21, 2025, marking a small week-over-week decrease of 0.25%. Compared to this time last year, prices are down roughly 10%, offering some relief to consumers at the pump.

The U.S. Energy Information Administration (EIA) places this week’s average at $3.121 per gallon, with regional averages varying slightly. The Midwest, in particular, saw a notable dip to $2.986 per gallon, while the West Coast remains the highest at $4.148. Meanwhile, AAA’s July 28 update pegs the national average at $3.143, reflecting similar stability and about 36 cents less than this time in 2024. Overall, the current softness in gasoline pricing is tied to muted seasonal demand and adequate refinery supply—factors keeping prices from rising significantly despite global uncertainty.

Diesel Prices Climb as Freight and Industry Demand Persists

In contrast to gasoline, diesel prices are ticking upward. Nationally, diesel averaged $3.812 per gallon last week, up 1.44% from the previous week, according to YCharts. While year-over-year comparisons show little change (down less than 1%), regional increases are drawing attention.

The EIA reports significant week-over-week increases in key regions:

  • Midwest: up 6 cents to $3.795
  • Gulf Coast: up 7 cents to $3.476
  • West Coast: up 4 cents to $4.542
  • East Coast: up 3 cents to $3.821

Industry analysts, including FleetOwner and FreightWaves, attribute this diesel firmness to steady freight movement and tighter refined fuel inventories. The trucking sector, agriculture, and construction industries continue to put pressure on diesel supply, leading to elevated wholesale and retail prices.

Propane Supply Shows Early Tightness Ahead of Heating Season

While propane is mostly out of the consumer spotlight during the summer months, it’s worth watching closely, especially as inventory levels begin to trend lower. The most recent data from the National Propane Gas Association (NPGA) shows that U.S. propane inventories sit at approximately 62.6 million barrels, with days of supply down to 38.8, compared to 46.3 the week prior. That drop could signal tighter margins heading into fall and winter.

Residential propane prices, while not updated weekly during summer, were last reported by YCharts at $2.518 per gallon in mid-May, down from the previous week and slightly below last year’s numbers. Wholesale pricing remains stable for now, but suppliers and large-volume users should monitor shifts in export demand and domestic storage levels, as they may influence Q4 pricing contracts.

Looking Ahead: Pricing Pressures and Planning Insights

Here are three emerging trends to keep on your radar:

  1. Crude Inventory Drops: U.S. crude oil inventories declined by more than 3 million barrels last week, according to the EIA, which could tighten gasoline and diesel production if sustained.
  2. Tropical Activity: Forecasters are watching a low-pressure system in the Gulf of Mexico. If it strengthens, it could disrupt refinery operations along the coast—affecting both gasoline and diesel output.
  3. Propane Stock Watch: With fewer supply days on hand, propane market participants should start planning now for winter heating and contract pricing.

Sources: YCharts, EIA.gov, AAA Gas Prices, FleetOwner, FreightWaves, NPGA.org