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Airlines and other large fuel buyers have been loading up on oil derivatives contracts in recent days to keep their bills from spiraling as the U.S.-Iran war pushes prices to multiyear highs.

2026 Diesel prices from the U.S. Energy Information Administration are drawn from a weekly national survey of about 400 diesel service centers.

2026 Diesel prices for Comdata are based on seven–day cash card transactions from more than 6,500 truck stops.

U.S. diesel exports have been relatively robust of late, more than 1 million barrels per day, according to Gas Buddy. A high percentage has gone to Latin America and South America.

Diesel fuel’s national average price shed 4.6 cents to $3.754 a gallon in its third straight decline, according to U.S. Information Administration data released Aug. 12.

Past two price drops have totaled just 1.2 cents a gallon, according to U.S. Energy Information Administration data released Aug. 5.

The national average diesel price inched down seven-tenths of a cent to $3.805, stopping a streak of three straight increases, according to the U.S. Energy Information Administration.

The national average diesel price increased for the third consecutive week, rising 5.4 cents a gallon to $3.812, according to U.S. Energy Information Administration data released July 22.

The national average diesel price ticked up for the second straight week, rising 1.9 cents a gallon to $3.758, according to U.S. Energy Information Administration data released July 15.

The national average diesel price showed a modest post-holiday uptick, rising 1.2 cents a gallon to $3.739 a gallon, according to U.S. Energy Information Administration data released July 8.