In "hot" running, the real hero is the combination of VIIs and antioxidants. Without them, even premium base oils would oxidize into sludge, varnish, and corrosive acids.

BPCL VTS formulations typically start with high-quality Group II or Group III base oils, which have naturally higher oxidation stability than conventional Group I oils. To these bases, BPCL adds:

BPCL’s R&D center at Mahul, Mumbai, is already testing next-generation VTS formulations with: