Bio Mileager Premium 20w-50 is a Superior multigrade low ash, heavy duty gas engine oils, meeting API:SF/CD performance requirements. It is specially developed for vehicles operating on CNG/LPG with dual fuel kit i.e. suitable for operating on petrol/diesel also. It is formulated with high viscosity index base oil and specially selected additives. Due to excellent oxidation and nitration resistance, it extends the oil drain interval, reducing the operating cost.