Phil Mosier, contributorPhil Mosier is the Manager of Commercial Tire Development at Cooper Tire & Rubber Company.MaintenanceA top-tier tire maintenance program is a balancing actTypically, for a steer tire, when a tire isn’t balanced you’ll see cupping or scalloping (wavy wear) on the shoulder ribs. Over time that can progress to the intermediate ribs.March 11, 2022Page 1 of 1Top StoriesBusinessUSPS could default on payments to trucking partners, Postmaster warnsPostmaster General warns "it's highly likely that the mail will stop" if lawmakers don't allow USPS to overhaul its business model.IndustryTrump: 'All American roads will be filled with American trucks'BusinessSaia continues expansion with two new Midwestern terminalsClass 7-8Pioneer leading overhaul of Mack Trucks' product lineFeatured SponsorContinental's Extreme Duty Multi V-Belts designed for extreme temperatures