US gasoline prices slipped under $4 a gallon for the first time since March, a relief after a global supply shock drove fuel costs higher for months.

The dip follows a reduction in Iranian tensions that had tightened the global oil market. Lower crude inputs have translated into thinner margins for refiners, sparking a chain reaction across the distribution network.

Consumers now face lighter pump bills, boosting discretionary spending. Retailers and logistics firms benefit from lower operating costs, potentially easing pressure on freight rates and corporate travel budgets.

The market reaction signals a return to more stable fuel pricing, reducing volatility for both consumers and energy‑dependent businesses.