$4.40 a Gallon: Iran War Pushes US Gas Prices to 4-Year High

The increases come at a particularly sensitive moment. The summer travel season is approaching, typically a period of high fuel demand. Instead, drivers are now cutting back. In parts of the Midwest—Illinois, Ohio, Wisconsin, Michigan—prices are rising even faster than the national average. Protests have already been reported outside Detroit, with motorists voicing frustration over the pace of increases.