Effective Nov. 1, California diesel tax rate will more than double by admin | Oct 28, 2017 The first of November marks the start date for significant changes in fuel tax collections in California. But for how long? Multiple efforts are underway to repeal the tax increases Powered by WPeMatico Share this:Tweet Related Submit a Comment Cancel reply Your email address will not be published.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.