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 StoriesAutonomousAurora, Detmar Logistics partner for autonomous frac sand haulingAurora Innovation has partnered with Detmar Logistics to deploy autonomous trucks in the Permian Basin. The fleet will haul frac sand between Midland and Monahans, Texas.CCJ Top 250Holiday spirits: Averitt adding tanker operation for bourbon clientsEconomic trendsGradual recovery ahead, but full rebound remains elusiveSafety & ComplianceMarijuana rescheduling won't affect DOT drug testing rules, agency saysRegulationsCongress passes reforms for military freight carriers