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2. Octane rating - Wikipedia

   en.wikipedia.org/wiki/Octane_rating

   Using gasoline of a higher octane than an engine is designed for cannot increase its power output. Octane became well known in American popular culture in the 1960s, when gasoline companies boasted of "high octane" levels in their gasoline advertisements. The compound adjective "high-octane", meaning powerful or dynamic, is recorded in a ...

3. List of U.S. states by standard octane ratings - Wikipedia

   en.wikipedia.org/wiki/List_of_U.S._states_by...

   All states require gas pumps to be labeled with the correct octane level and nearly all states do regular testing to make sure gas stations are in compliance. A minimum 82 octane fuel is recommended for most vehicles produced since 1984. Older cars with carburetors could operate with lower octane fuel at higher elevations. Regardless of ...

4. The truth about octane: Does it really make a difference if ...

   www.aol.com/news/truth-octane-does-really...

   With the price of regular unleaded gasoline still in the $4-a-gallon range, the comparative price of premium is kind of a bargain at many stations. Really. When the price of regular surged this ...

5. Top Tier Detergent Gasoline - Wikipedia

   en.wikipedia.org/wiki/Top_Tier_Detergent_Gasoline

   According to an automotive industry spokesman, the regular use of this type of gasoline results in improved engine life. [2] The Top Tier standards must apply to all grades of gasoline or diesel that a company sells, whether it is economy (low-octane) or premium (high-octane). [3]

6. I’m a Mechanic: These Common Misconceptions About Fuel ...

   www.aol.com/m-mechanic-common-misconceptions...

   However, Gutierrez added that “…premium fuel provides no tangible benefits in fuel economy for most modern vehicles that run on regular unleaded gasoline.” Fuel Efficiency vs. Car Costs ...

7. E85 - Wikipedia

   en.wikipedia.org/wiki/E85

   According to the manufacturer, this is due to the cooling properties of ethanol. E85 has an octane rating higher than that of regular gasoline's typical rating of 87, or premium gasoline's 91-93. This allows it to be used in higher-compression engines, which tend to produce more power per unit of displacement than their gasoline counterparts.