What Is Octane and How Does It Work? | HowStuffWorks
https://auto.howstuffworks.com/fuel-efficiency/fuel-consumption/question90.htm
WEBFeb 21, 2024 · So, what is octane? It's a hydrocarbon molecule that gives gasoline the ability to resist detonating prematurely in the engine, which causes engine knocking or pinging during combustion. An octane rating measures the amount of the molecule that is in everyday gasoline. The higher the octane number, the greater the fuel's resistance to …
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