U.S. diesel prices cross $6 a gallon, a record high
The national average price for diesel in the United States reached $6.05 per gallon on Friday, according to AAA, marking a more than 60% jump from $3.71 a year earlier. Gasoline also climbed to a national average of $4.29 a gallon, while California diesel prices hit $7.98 a gallon. GasBuddy data confirmed diesel had already exceeded the $6 threshold nationwide.