Why there are many types of Engine Oils in the market for Petrol & Diesel Engines?
The development in the Vehicle Engine Technology is moving in a fast pace to take care of the higher power, compact size and the latest emission requirement. Due to these continuos development in the field of Engine Technology, the speed of the engines increases, the oil sump capacity becomes lower & lower, after treatment of the exhaust gases has been introduced (Catalytic Converter, particulate filter etc.). To keep in pace with the development in the Engine technology, the oil performance level also has to be continuously improved to meet the additional requirement. American Petroleum Institute (API) and various International organisation sets standard for the Engine Oil to suit the requirement of the development in Engine Technology. API Oils are classified as SA, SB,.SF, SG, SJ for Petrol Engines and as CA, CB,. CD, CF4, CG4, CH4 for Diesel Engines. Bharat Petroleum Corporation Ltd., markets oil meeting the latest API & Other international & Indian Standards for use in all type of