Light fuel oil that is obtained by distilling petroleum and used in internal combustion engines; gasoline.
An octane rating is a standard measure of a fuel’s ability to withstand compression in an internal combustion engine without detonating. There are various grades for octane fuels, measured using the Research Octane Number (RON) rating.
91 RON: Regular Unleaded octane fuels
92 RON: Premium Unleaded octane fuels
 93RON: Premium Unleaded octane fuels
95 RON: Premium Unleaded octane fuels