Mineral oil is the most basic variety of engine oils and is most commonly used for a large majority of everyday vehicles. Mineral oils are refined petroleum oils which undergo treatment to perform across a wide temperature range. Semi-synthetic oil, also known as synthetic blend oil has a small amount of synthetic engine oil blended in with mineral oil to boost its properties without escalating the cost by much. The addition of synthetic oil enhances its viscosity and wear resistance at higher temperatures and stress. Synthetic oils are essentially mineral oils only; however, they go through an extensive treatment in the lab to make them significantly superior to their mineral … Continue reading TVS Motor Company