U.S. diesel prices surpassed $6.50 a gallon for the first time, reaching a national average of $6.505, putting direct pressure on trucking, farming and construction companies and driving inflationary costs across the economy.

President Trump has called on domestic and international oil producers to increase output to stabilize prices, but global production remains constrained. Administration officials have blamed geopolitical instability in Eastern Europe for the surge, limiting options for immediate domestic relief.

Trucking companies face higher operating expenses that they pass on to consumers through increased prices for food and goods. Farmers and construction businesses, both heavily dependent on diesel for equipment and transport, say higher fuel costs are eroding profit margins and forcing them to cut investment. The Department of Transportation reported a 1.2 percent increase in freight costs last quarter.

On Capitol Hill, Republicans are pushing for a temporary suspension of the federal fuel tax, which adds 24.4 cents per gallon to diesel. They argue it would provide immediate relief to consumers and businesses. Democrats counter that such a move would deplete the Highway Trust Fund, essential for infrastructure projects, and may not significantly lower pump prices.

Energy companies have reported strong earnings from the price surge. Some major players posted double-digit profit increases last quarter, drawing scrutiny from consumer advocacy groups and some members of Congress.