Gas
Annual Gas Average
Regular gasoline and on-highway diesel prices have swung sharply since 2020, affecting household transportation costs and program delivery budgets.
Latest readings
Updated Jun 1, 2026
Regular gasoline
3.85
2026
Diesel
4.95
2026
Cause and Effect
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March-June 2026
War with Iran and the Hormuz closure sharply raised gasoline and diesel prices.
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2023-2025
Lower oil costs, added refinery capacity, and softer demand reduced fuel prices.
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2022
Russia’s invasion, sanctions, and low inventories drove gasoline and diesel prices higher.
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2021
Economic reopening revived travel faster than fuel supply, lifting gasoline and diesel prices.
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2020
Pandemic travel restrictions crushed fuel demand, lowering gasoline and diesel prices.