Car Review Why Does Europe Convey Higher Octane Gas?

Octane Rating - RON vs MON vs AKI. Often people enquire "Why does the U.S. convey such depression octane gas at the pumps?" They field this assuming European fuels convey a significantly higher octane, when inwards fact it only comes downward to how nosotros label our fuels. Most countries demo the RON, or Research Octane Number. In the US, likewise every bit a few other countries, nosotros demo the AKI, or Anti-Knock Index, which is the average of both the RON as well as MON, or Motor Octane Number.