The much larger figures on fuel pump stickers reveal the octane score of the different gasoline grades. Ordinarily, gasoline stations market gasoline with 3 octane stages. The octane rating of gasoline lets you know just how much the fuel might be compressed just before it spontaneously ignites. Justin Sullian/Getty Illustrations https://densityofjeta1fuel98542.wikibestproducts.com/659908/a_simple_key_for_gasoline_alley_harley_unveiled