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Difference Between Oxygenated and Non Oxygenated Gasoline

https://www.differencebetween.com/di...ated-gasoline/

What is Oxygenated Gasoline?

Oxygenated gasoline is a form of fuel that has ethanol as an additive to increase the oxygen content of the fuel. A compound that we use as an additive to increase the oxygen content is “an oxygenate”. There are other oxygenates other than ethanol such as alcohols like methanol, isopropyl alcohol, etc. and ethers like methyl tert-butyl ether. We add these components to gasoline mainly because it is a cheap way to increase the octane rating – increased octane ratings reduce the knocking effect. However, it is the secondary role of oxygenation, the primary role is reducing the exhaust emissions.

It reduces the emission of carbon monoxide and soot produced during the burning fuel. Moreover, it reduces compounds related to soot such as PAH (polyaromatic hydrocarbons) and nitrated PAH’s. Another importance is that this gasoline does not harm either older or modern vehicle engines.

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