The bigger numbers on gas pump stickers point out the octane ranking of different gasoline grades. Commonly, fuel stations offer gasoline with three octane levels. The octane rating of gasoline lets you know the amount the fuel can be compressed right before it spontaneously ignites. Justin Sullian/Getty Visuals In the https://a1jetfuelbuyers32985.vidublog.com/26231878/gasoline-fundamentals-explained