California drivers face the highest diesel prices in the nation, with an average cost of $8.42 per gallon, according to AAA’s latest fuel pricing data. The steep prices reflect broader trends in the state’s energy market, where fuel costs remain significantly above the national average. Experts attribute the disparity to factors like taxes, refining capacity, and regional demand. Motorists and businesses relying on diesel—from truckers to farmers—are closely monitoring whether prices will ease or climb further amid ongoing economic pressures.
California has the most expensive diesel in the U.S. at an average of $8.42 per gallon, according to AAA.
