TeachMeFinance.com - explain Gasoline grades
Gasoline grades The term 'Gasoline grades' as it applies to the area of energy can be defined as ' Gasoline sales are reported by grade in accordance with their classification at the time of sale. In general, automotive octane requirements are lower at high altitudes. Therefore, in some areas of the United States, such as the Rocky Mountain States, the octane ratings for the gasoline grades may be 2 or more octane points lower'.
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