The use permits high-output engines to provide extra power within the compressed air-fuel combination. Higher-compression engines can require substantial-octane fuel to ensure the mixture doesn’t ignite early. The octane rating of gasoline tells you simply how much the fuel could be compressed just before it spontaneously ignites. Justin Sullian/Getty Photos https://webnowmedia.com/story2330692/not-known-factual-statements-about-gasoline-price-sydney