Diesel average is up for second straight week, reports EIA by admin | Jul 11, 2018 With a 0.7-cent increase, the national diesel average now stands at $3.243. This follows a 2.0-cent increase from last week. Powered by WPeMatico Share this:Tweet Related Submit a Comment Cancel reply Your email address will not be published.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.