Without refining, the rich sources of crude petroleum of nature would remain latent. Value-added merchandise from crude petroleum like petrol, diesel, kerosene, liquefied petroleum gasoline, naphtha and plenty of extra products would not be out there for progress and growth of a nation.

HPCL refineries improve the crude petroleum into many worth-added products and over 300 grades of lubricants, specialties and greases. The Lubricating Oils Refinery arrange at Mumbai is largest lube refinery in India. It produces superior high quality lube base oils.

The offsite product dealing with amenities of refineries at Mumbai and Vishakhapatnam has been automated. Projects have been applied and facilities upgraded to produce green fuels like unleaded petrol and low sulphur diesel. and Euro III & Euro IV works are in progress. The refineries have been benchmarked by an international company for varied performance parameters.