Gas
Weekly Gas Averages
Regular gasoline and on-highway diesel prices have swung sharply since 2020, affecting household transportation costs and program delivery budgets.
Latest readings
Updated Jul 27, 2026
Regular gasoline
4.10
Jul 27
Diesel
5.31
Jul 27
Cause and Effect
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July 8-27, 2026
Renewed U.S.-Iran fighting disrupted Hormuz oil flows, pushing gasoline and diesel prices higher.
- ↗US pump prices cross $4 again on renewed fighting in the Middle Easthttps://www.investing.com/news/commodities-news/us-pump-prices-cross-4-again-on-renewed-fighting-in-the-middle-east-4800027
- ↗Gas prices top $4 a gallon again as U.S.-Iran conflict escalates, AAA data showshttps://www.cbsnews.com/news/gas-prices-iran-war-oil-supply/
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July 8-27, 2026
Russia’s diesel-export ban after refinery strikes tightened supplies, adding pressure to diesel prices.
- ↗Global diesel market tightens as Russian export ban, Ukraine strikes bitehttps://www.spglobal.com/energy/en/news-research/latest-news/crude-oil/071426-global-diesel-market-tightens-as-russian-export-ban-ukraine-strikes-bite
- ↗US diesel futures post biggest daily gains in four years after Russia bans exportshttps://www.kitco.com/news/off-the-wire/2026-07-08/us-diesel-futures-post-biggest-daily-gains-four-years-after-russia
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June 8-July 6, 2026
A tentative U.S.-Iran agreement restored tanker movement, easing oil costs and fuel prices.
- ↗Gas prices fall below $4 on average after Trump’s signing of Iran deal to end warhttps://www.theguardian.com/us-news/2026/jun/18/gas-prices-fall-iran-deal
- ↗Oil prices fall as tankers exit Strait of Hormuz By Reutershttps://www.investing.com/news/commodities-news/oil-prices-fall-as-tankers-exit-strait-of-hormuz-4759517