An oil is any nonpolar chemical substance that is composed primarily of hydrocarbons and is hydrophobic (does not mix with water) and lipophilic (mixes with other oils). Oils are usually flammable and surface active. Most oils are unsaturated lipids that are liquid at room temperature.
Castrol GTX CNG is recommended for lubrication of engines fueled by CNG/LPG under wide range of loads and driving conditions for on-highway vehicles like autos, taxis and passenger cars.