HPCL and Castrol India partner to build a sustainable RRBO ecosystem, re-refining used lubricants into high-quality base oil for eco-friendly products, reducing waste and virgin oil use across India.
Best engine oils for hot Indian climates in 2026: Fully synthetic 5W-40 or 10W-40 from Mobil 1, Castrol EDGE, and Shell Helix provide superior heat resistance and engine protection.