The higher the octane number, the better it burns and the better the engine performs. A lower octane fuel than what is recommended can damage the engine as it causes knocks or irregular ignition. For a high octane fuel mix, get high octane fuel or get octane boosting additives. High octane fuels burn only when the spark plugs fire, and burn cleanly. These fuels are usually cleaner as they go through an extensive process during and after refining. Bio Mileager Octane Booster is a herbal additives to your fuel to increase the octane number of the fuel Which improve the performance of the engine in terms of either acceleration, top end speed, efficiency or all of them.