Should you spend a little more on Ron97 or Ron98, or is Ron95 good enough? Many drivers believe that higher-octane petrol automatically gives their car more power, better fuel economy or even a cleaner engine. While there is some truth behind these claims, the reality is a little more complicated. Here's what you need to know before your next fuel stop. First, what does Ron actually mean? RON stands for Research Octane Number, which measures a fuel's resistance to engine knocking or pre-ignition. Engine knocking happens when the air-fuel mixture ignites too early inside the engine, creating uncontrolled combustion that can reduce…
