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Octane rating

An octane rating, or octane number, is a standard measure of a fuel's ability to withstand compression in an internal combustion engine without causing engine knocking. The higher the octane number, the more compression the fuel can withstand before auto-igniting. The term refers to the equivalent ratio of a blend of iso-octane and heptane that produces…

Measurement & Standards

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Overview

Principles

Measurement methods

Effects

Regional variations

Misconceptions around octane rating

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Map overview Semantic statistics

Octane rating

Nodes103
Edges102
Triples441
Avg. degree1.98
Density0.019417
Components1

How this topic connects Entity context

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Octane rating

Top relations

related to Regional variations · 338
Octane rating → A-56, A-66, A-70, A-72, A-74, A-76, A80, A92, A92-E5, A95, A98, Additived, Additived Gasoline, After, Agip, Agência Nacional, AI-80, AI-92, AI-93, AI-95
related to Anti-Knock Index (AKI) or (R+M)/2 · 10
Octane rating → AKI, Anti-Knock Index, In Canada, It, Mexico, MON, PON, Pump Octane Number, RON, The United States
related to Octane Index · 10
Octane rating → An, Being, Deriving, FTIR, Most, Motor, Octane Index, Such, The, These
related to Aviation gasoline octane ratings · 7
Octane rating → AKI, Aviation, MON, One, Similar, The, This
related to Iso-octane as a reference standard · 7
Octane rating → For, LPG, Octanes, One, The, They, Trimethylpentane
related to Misconceptions around octane rating · 7
Octane rating → Because, By, Due, Graham Edgar, In, London, This
related to Octane in culture · 7
Octane rating → American, By, English, Octane, The, This, Using
has effect · 6
Octane rating → As, Because, Creating, Higher, Since, The
related to Motor Octane Number (MON) · 6
Octane rating → Another, Depending, MON, Motor Octane Number, RON, See
related to Observed Road Octane Number (RdON) · 5
Octane rating → Another, Observed Road Octane Number, RdON, The, This

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Important terminology

ron octane fuel gasoline 95 stations available rating engine 98 unleaded premium 100 gas regular also higher shell 92 91

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Octane ratingis aaverage of the RON and the MON0.90text
methanol may have performance numbers of 110 or significantly higherinstance ofLPG and alcohol fuels0.80text
straight-run gasolineinstance ofis usually a blend of several types of refinery grades that are derived from different processes0.80text
reformateinstance ofis usually a blend of several types of refinery grades that are derived from different processes0.80text
cracked gasoline etcinstance ofis usually a blend of several types of refinery grades that are derived from different processes0.80text
MMTinstance ofbecause metal anti-knock agents0.80text
ferrocene will clog the car's GPFinstance ofbecause metal anti-knock agents0.80text
but gasoline vehicles that meet the National VI B emission standards must install GPF.Chileinstance ofbecause metal anti-knock agents0.80text
Shell or Aral offer 100 RON gasolineinstance ofBig suppliers0.80text
Caltex Goldinstance ofPremium grades0.80text
Petron XCSinstance ofPremium grades0.80text
Phoenix Premium 95instance ofPremium grades0.80text

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