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 StoriesEmissionsDOT spiked Biden-era emissions ruleThe overturned a greenhouse gas emission (GHG) rule adopted in 2023, which hadn't formally started, would have required state DOTs to measure and establish declining targets for carbon dioxide emissions.CompaniesFlorida reefer carrier going out of business after more than 40 yearsEmissionsNew York trucking group pushes for delay of Clean Trucks ruleRegulationsCongress again looks to block speed limitersFeatured SponsorNew Report: The 2025 State of Heavy-Duty Repair
