United Rentals, Inc. announced that it has appointed William B. Plummer as Chief Financial Officer, effective December 1, 2008. Mr. Plummer brings more than two decades of financial leadership experience to United Rentals, most recently as Chief Financial Officer of Dow Jones & Company. In that role, he set policy for its global finance and corporate strategy functions. Prior to Dow Jones, Mr. Plummer was Vice President and Treasurer of Alcoa...