Bill Grabarek (TPS Online Editor)Bill Grabarek is the online editor of Trucks, Parts, Service. He can be reached at [email protected].MaintenanceCCJ updates its State of Diesel Technicians reportCCJ surveyed parts and service technicians around the country about salary information, job satisfaction, training and more. See what they had to say as the industry stares down a historical shortage of skilled repair persons.June 1, 2022Page 1 of 1Top StoriesCCJ Top 250Skyrocketing insurance costs put the brakes on big trucking profitsFreight demand isn't saving America's top transportation firms as rising insurance and claims costs cut top truckers' profits in half.EmissionsEPA proposes to end DEF derates for good, scale back warranty requirementsFreight demandSoaring rates give rise to new truck demand: 'We are clearly in fleet expansion territory'CompaniesKeller Logistics takes on the fentanyl crisis with 'Hope Hits the Highway'Test DrivesA quick spin in Peterbilt’s Model 536EV