Diesel prices across the U.S. rise an average of 3 cents by admin | Apr 24, 2018 While last Monday the average U.S. price for a gallon of diesel went up negligibly. This Monday, there is nothing shy about a 6.1-cent increase. Powered by WPeMatico Share this:Tweet Related Submit a Comment Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.