$3.99 is the new national gas average, down from a $4.56 peak in late May
American drivers are paying $3.99 a gallon for regular gasoline at the national level, a sharp retreat from the $4.56 peak recorded in late May 2026. The drop of roughly 57 cents per gallon arrived faster than many analysts expected, raising questions about whether falling crude prices or swelling regional fuel inventories deserve more credit…