The use allows superior-output engines to create far more power through the compressed air-fuel combination. Higher-compression engines can have to have large-octane fuel to ensure the combination doesn’t ignite early. Frequent unleaded gas is the lowest octane fuel at commonly an 87 level and it is suited to most vehicles. https://paxtonhaqfu.wiki-jp.com/653035/a_secret_weapon_for_gasoline_vs_petrol