Shawn O’Neil, contributorShawn O’Neil is the Compliance and Chief Privacy Officer at Vault Workforce Screening. Safety & ComplianceOral fluid testing a significant shift in the drug screening landscapeAdding oral fluid testing as a second specimen type gives trucking companies more flexibility.June 7, 2023Page 1 of 1Top StoriesTrucksDetroit readies rollout of new 2027 enginesThe next generation Detroit Diesels deliver enhanced efficiency designed to help offset the impacts from emissions-related changes.EmissionsATA asks EPA to revisit its looming NOx rule as OEMs eye 2027 engine launchBusinessDetermining real fuel savingsBusinessShippers wary of rising transportation costs as fleets put the brakes on spendingMergers & AcquisitionsEstes acquires Washington-based Key Trucking