And higher oil prices can discourage summer travel plans.
Prices are at or near their highest level since mid-2022, when the national average was about $5 per gallon after Russia's invasion of Ukraine.
The big picture: An oil shock driven by the Iran war is pushing prices higher. While the U.S. appears more insulated than Europe or Asia — for now — from outright shortages, consumers are still feeling the pinch.
What we're watching: An end to the Iran war could eventually ease prices.
Some politicians have floated the idea of a "gas holiday," cutting the federal gas tax to shave 18.3 cents a gallon off the cost.