Another week of minimal movement for diesel prices by admin | Oct 3, 2017 The average price of a gallon of on-highway diesel went up four-tenths of a cent to $2.792 per gallon for the week ending Monday, Oct. 2. This marks the first increase after two consecutive weeks of decreases. Powered by WPeMatico Share this:Tweet Related Submit a Comment Cancel reply Your email address will not be published.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.