After the Bharat Stage VI emissions norms were implemented in 2020, petrol’s minimum octane rating was upped from an average baseline of 88 RON to 91 RON (Research Octane Number). As of now, regular ...

The higher the fuel’s octane rating, the less likely it is to prematurely ignite and cause engine knocking. phive2015/Adobe Stock We see the numbers every day at the local gas station, with gas sold ...