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Posted

I think I found out why petrol in the USA is cheap. Leaving out any taxes that might be applied, the reason is that the lower grade fuel, RON/MON 87, which most vehicle use contains lots of ethanol, which is so much cheaper than petroleum. They do have non-ethanol fuel, which has a higher octane rating, but the majority of vehicles don't require it. 

 

Remember when E10 came in? We were told that it could not be used in engines built before a certain date becasue teh ethanol destroyed rubber seals in various components. I imaging that with the introduction of ethanol-based fuels vehicle manufacturers got the heads-up from the fuel companies and changed over to ethanol-friendly seals.

 

Remember that we are told NOT to use ethanol fuels in small engines like lawn mowers. I'd like to back what I am saying about the ethanol in US fuel by posting the video from which I learned this. While the title suggests a scam, it is not really. For a quick look at what I mean about the ethanol in their fuel, watch from about timestamp 3:30. If you watch the whole video you will see the simple test the presenter did to make a point of the video.

 

NOTE: I don't think fuel pumps in Australia are plumbed the way these Yank ones are.

 

 

Posted

Ethanol itself is High Octane but you burn More of it.  so will pay a bit more. Theoretically you may need to enrich the Mixture as well to Keep things Happy . A lot of cars are raced on E70-85. and run high compression and run cooler. Nev

Posted (edited)
4 hours ago, Jerry_Atrick said:

Diesel is £1.92 where I am. At the mid rates, it is $3.65 at time of writing. Petrol is £1.52, which is $2.89.

 

 

3.12 here yesterday.

 

 

 

 

 

 

Edited by randomx

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