Web Results
octane number
NOUN
1.
(of gasoline) a designation of antiknock quality, numerically equal to the percentage of isooctane by volume in a mixture of isooctane and normal heptane that matches the given gasoline in antiknock characteristics.
Source: Dictionary.com
octane rating | Define octane rating at Dictionary.com
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Octane rating - Wikipedia

en.wikipedia.org/wiki/Octane_rating

An octane rating, or octane number, is a standard measure of the performance of an engine or aviation fuel. The higher the octane number, the more ...

Octane Rating - Understanding Fuel Octane | Exxon and Mobil

www.exxon.com/en/octane-rating

Octane rating is a measure of a fuel's ability to resist 'knock'. The octane requirement of an engine varies with compression ratio, geometrical and mechanical ...

What does octane mean? | HowStuffWorks

auto.howstuffworks.com/fuel-efficiency/fuel-consumption/question90.htm

The octane rating of gasoline tells you how much the fuel can be compressed before it spontaneously ignites. When gas ignites by compression rather than ...

What Does Octane Do In Gasoline? Octane Ratings

www.bellperformance.com/blog/bid/101182/What-Does-Octane-Do-In-Gasoline-Octane-Ratings

Jan 20, 2012 ... If you see a high octane rating for a given gasoline, what does that really tell you? That you'll get better mileage and more power? Or does it tell ...

What is octane? - Fuel Freedom Foundation

www.fuelfreedom.org/what-is-octane/

Mar 30, 2016 ... Or, in layman's terms, the higher the octane rating, the less likely the fuel is going to pre-ignite (read: explode unexpectedly) at higher pressures ...

Selecting the Right Octane Fuel - Fuel Economy

www.fueleconomy.gov/feg/octane.shtml

Octane rating is the measure of a fuel's ability to resist "knocking" or "pinging" during combustion, caused by the air/fuel mixture detonating prematurely in the ...

www.ask.com/youtube?q=Octane Rating&v=cfhTTuxF6Mk
Sep 30, 2011 ... What's the difference between premium and regular fuel? What does that octane rating number represent? This video explains why cars with ...

Octane ratings: Difference Engine: Who needs premium? | The ...

www.economist.com/blogs/babbage/2012/09/octane-ratings

Sep 17, 2012 ... EVEN at the cheapest petrol station in your correspondent's neighborhood, filling up the family kidmobile with premium (91 octane) fuel now ...