TeachMeFinance.com - explain Octane rating
Octane rating The term 'Octane rating' as it applies to the area of energy can be defined as ' A number used to indicate gasoline's antiknock performance in motor vehicle engines. The two recognized laboratory engine test methods for determining the antiknock rating, i.e., octane rating, of gasolines are the Research method andthe Motor method. To provide a single number as guidance to the consumer, the antiknock index (R + M)/2, which is the average of the Research and Motor octane numbers, was developed'.
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