Gas Price Update — Week of March 30, 2026

The national average price for a gallon of regular unleaded gasoline stands at $3.981 this week. That puts drivers just under the four-dollar mark, a threshold that tends to draw significant attention from consumers and policymakers alike. For the average American household, which the U.S. Energy Information Administration estimates uses roughly 50 to 60 gallons of gasoline per month, prices at this level translate to a meaningful portion of monthly spending. Drivers filling a 15-gallon tank are paying roughly $59.72 per fill-up at the national average.

Prices are up nearly ten cents from last week and have climbed almost a full dollar compared to this time last month. A rise of $0.998 over thirty days is a substantial move and suggests sustained upward pressure rather than a brief spike. Several factors are likely contributing to this trend, including tightening crude oil supplies, refinery transitions to summer-blend fuel formulations that are more expensive to produce, and elevated seasonal demand as spring travel picks up. Until those pressures ease, the direction of prices remains tilted upward.

The gap between the cheapest and most expensive states is striking this week, spanning nearly $2.59 per gallon. California leads the country at $5.843, followed by Hawaii at $5.332 and Washington at $5.300. Drivers in those states are paying roughly 47 percent more than someone filling up in Oklahoma, where the state average sits at $3.256. Iowa at $3.314 and Kansas at $3.273 round out the low end of the range. The differences reflect a combination of state fuel taxes, local refinery access, environmental regulations, and distribution costs.

Next week, watch for any developments in crude oil markets, particularly signals from major producing countries regarding output levels. Refinery utilization rates and weekly inventory reports from the EIA will also offer early clues about whether the current upward trend has room to continue or is beginning to level off. If demand softens or crude prices pull back, some relief at the pump could follow. However, with summer driving season approaching, any significant drop in prices in the near term would be unexpected.