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Why fuel company say their e10 have minimum 93-94 octane level? Is it true and why not reflect in the fuel consumption? Does e10 bad for your car (non premium)? Just want to have some idea.
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2013 POLO GTI Black
2005 MKV 2.0 FSI Black -
A1. Because it has 93-94 octane.
A2. Fuel consumption has nothing to do with octane.
A3. Google is your friend.
Ethanol fuel - Wikipedia, the free encyclopedia
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Yes.Originally posted by POW View Post
1. Regular unleaded: 91 RON.
2. E100 (i.e. 100% ethanol): varies from 109 to 129 RON depending on who you quote.
3. Regular unleaded E10: varies from 93, to less than 95, due to 10% ethanol content.
4. Market price of ethanol is simply less than petrol.
Conclusion: E10 costs less despite having a higher RON.
Research Octane Number (RON) is a measure of a fuel's resistance to knocking.Originally posted by POW View Post
Basically, the more you can compress the fuel before igniting it, the more efficiently it burns, but only up to a certain limit before it starts to ignite by itself (potential engine damage!). The octane rating of a fuel is what determines this limit.
Whether that leads to more power or less fuel consumption depends on your engine being able to recognise and take advantage of higher octane fuels.
Regular unleaded E10 has a RON of less than 95, so you cannot use it in any vehicle that specifies a minimum RON of 95, otherwise there is a risk of engine damage.Originally posted by POW View PostComment
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Very accurate! basically octane and the potential energy to be released from each atom of fuel have NOTHING to do with each other. Its why you go further on a tank of 91 than you do on e10 - even though e10 has a higher RON value.Originally posted by Diesel_vert View Post
Don't get me started on US RON vs rest-of-world RON vs MON
RON values are like wang sizes - bigger isn't better, its all about the bang. Quote me on that one too
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