The price of gasoline in the United States experienced a historic increase in March, intensifying inflationary pressures and raising concerns for both policymakers and consumers. According to government data, the average cost of a gallon of regular gasoline rose 25% between February and March, marking the largest monthly percentage increase on record since tracking began in 1990. This surge, attributed largely to the ongoing conflict involving the U.S. and Israel against Iran, pushed the national average price to $3.64 per gallon in March, up from $2.91 the previous month.

The conflict’s disruption of oil markets resulted in crude prices climbing nearly 50% since hostilities began, prompting energy experts to warn of continued volatility. The Energy Information Administration (EIA) projected that retail gasoline prices could peak near $4.30 per gallon in April, while maintaining an average of $3.70 for the year. Analysts highlight the unprecedented nature of the market’s risk perception, with some attributing the sharp price jump to heightened geopolitical uncertainty surrounding the Strait of Hormuz—a critical maritime chokepoint through which millions of barrels of oil transit daily.

This spike in fuel costs has contributed to a marked acceleration in inflation. Consumer prices increased 3.3% in March compared to a year earlier, up from 2.4% in February, representing the largest annual jump since May 2024. On a monthly basis, prices rose 0.9%, the largest increase in nearly four years. Core inflation, which excludes volatile food and energy costs, showed a more modest rise, suggesting that higher gas prices have yet to fully permeate other sectors. Nonetheless, economists warn that persistent elevated energy costs could eventually feed into broader price increases.

The rise in gasoline costs has put additional strain on household budgets, particularly impacting lower- and middle-income families who allocate a larger share of their income toward essential goods and transportation. Consumer sentiment plummeted to a record low in early April, with surveys indicating that concerns over the war and fuel prices heavily influenced Americans’ economic outlook. The political implications are significant as well, potentially influencing voter attitudes ahead of the midterm elections.

Industries reliant on fuel have already begun passing higher costs to consumers. Airline fares surged 2.7% in March and are nearly 15% higher than a year ago, while major shipping companies have introduced fuel surcharges. Businesses anticipate that rising diesel prices will soon drive grocery costs higher, as food production and distribution become more expensive.

Despite the immediate challenges, some economists believe the current inflationary shock may be more short-lived than the extended surge experienced after Russia’s invasion of Ukraine in 2022. However, uncertainty remains over the duration and broader economic consequences of the conflict’s impact on energy prices. Meanwhile, the Federal Reserve is expected to maintain a cautious monetary policy stance, keeping interest rates elevated to curb inflationary pressures without further stimulus measures. Economic experts warn that continued high fuel costs could suppress consumer spending in other areas, potentially slowing growth and increasing unemployment in the months ahead.