76 Lubricants is pleased to announce that 76 Guardol QLT® 15W-40 and 76 Royal Triton QLT® have been reformulated to provide expanded performance credentials. Both products have been API CI-4 capable since 1999, but the new formulation adds additional components for robust performance in EGR engines, along with passing the Mack EO-N Premium Plus and Cummins CES 20078 requirements.