Gas crosses $4 a gallon in U.S. for the first time in 3 years

A man uses a gas pump at a Shell gas station in Houston, Texas, on March 16, 2026. Oil prices retreated and equities rose Monday as investors remained focused on the Strait of Hormuz, with US allies pushing back against President Donald Trump

The war with Iran has driven up gas prices at a time when affordability is high on people's minds.

(Image credit: Ronaldo Schemidt)