BTS: U.S. Motor Fuel Prices Increase in May

DAVENPORT, FL (DTN) – Average U.S. retail motor fuel prices increased in May from the previous month and remained sharply above year-ago levels, according to data released Tuesday (6/2) by the Bureau of Transportation Statistics.

The average price for regular gasoline rose to $4.48 gallon in May, up 9.2% from April and 42.2% higher than the same month last year.

Regionally, the West Coast posted the highest average gasoline price at $5.59 gallon, while the Gulf Coast remained the lowest at $3.95 gallon. All regions reported double-digit increases compared with May 2025.

Meanwhile, average retail diesel No. 2 prices climbed to $5.60 gallon in May, increasing 1.8% month over month and standing 60% above year-ago levels.

The increase in fuel prices reflected continued pressure across transportation energy markets during the month despite regional differences in supply and demand conditions.