Twenty states boast average gas prices below $3, spanning from New Mexico to Missouri to South Carolina. Mississippi, the state with the nation's lowest gas prices, offers drivers an average gallon for $2.71. More than 61 million people are expected to travel by car over the July 4 holiday, AAA forecasted.

State gas prices declined last week and reached an average of $4.36 per gallon of regular fuel on Monday, down from last week's price of $4.44 per gallon, according to the U.S. En

Gasoline prices hovered at their lowest level since 2021 as the July Fourth holiday got underway.  On Friday, the national average price for a gallon of regular gasoline stood at $3.15 per gallon, according to AAA data.