Depok, May 4, 2026. Lubricants are essential components used in various types of machinery to reduce friction and prevent damage. To date, most lubricants are still petroleum-based. Prof. Dr. Ir. Sukirno, M.Eng., a Full Professor at the Faculty of Engineering, Universitas Indonesia (UI), emphasizes the need to transition toward vegetable oil–based lubricants as a more […]










