"Unleaded gasoline ran $3.54 a gallon on average across the U.S. on Wednesday, according to AAA, up 3% from a year ago and about 14% higher than at the start of 2024.

Among the regions that have seen the fastest increases: the Salt Lake City area, where gas stations raised prices by about 65 cents to $3.77 a gallon over the past month. In metropolitan St. Louis, drivers have seen a roughly 51-cent price hike to $3.45 during that period. In Chicagoland, costs are up by roughly 48 cents to $4.08."