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Re: We love our ethanol! [Re: SevenBizzos] #5135965 06/16/19 05:04 PM
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NO2 Offline
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Effective net cost based on energy content:


E10 (regular) 249.9
E15 - 242.2
E30 - 236.2
E85 - $248.3 (70% ethanol)
E85 - $265.6 (85% ethanol)

So the cheapest fuel is E30

Re: We love our ethanol! [Re: SevenBizzos] #5135977 06/16/19 05:18 PM
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2strokeNorthstar Offline
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I would love to get even the 91 octane at that price. Ethanol is a waste and bad for the environment


2001 F150 5.4L
2013 Nissan Juke Nismo
2000 Honda S2000
1998 BMW 328i
Re: We love our ethanol! [Re: 2strokeNorthstar] #5136077 06/16/19 07:12 PM
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y_p_w Offline
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Originally Posted by 2strokeNorthstar
I would love to get even the 91 octane at that price. Ethanol is a waste and bad for the environment

As a practical matter, ethanol is the cheapest and most effective octane booster available save MTBE. The more common requirements for premium (or even super premium) would still drive towards the use.

Re: We love our ethanol! [Re: SevenBizzos] #5136326 06/17/19 05:42 AM
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ARB1977 Offline
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I stick to E10 87 octane. My Tacoma says I can use E15.


2015 Tacoma 4.0L 60K (as of 02/23/18)
AMSOIL SS 0W30 / Toyota filter

2018 CRV 1.5L (as of 05/11/18)
Factory fill / Honda filter
Re: We love our ethanol! [Re: SevenBizzos] #5136334 06/17/19 05:59 AM
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Jp267 Offline
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Haven't seen this in the Northeast, but we have Sunocos with five different octanes available at the pump. So there's that anyway.

Re: We love our ethanol! [Re: y_p_w] #5136362 06/17/19 06:56 AM
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BMWTurboDzl Offline
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Originally Posted by y_p_w
Originally Posted by 2strokeNorthstar
I would love to get even the 91 octane at that price. Ethanol is a waste and bad for the environment

As a practical matter, ethanol is the cheapest and most effective octane booster available save MTBE. The more common requirements for premium (or even super premium) would still drive towards the use.

approved


“It took untold generations to get you where you are. A little gratitude might be in order. If you’re going to insist on bending the world to your way, you better have your reasons.”

435i
Re: We love our ethanol! [Re: SevenBizzos] #5136944 06/17/19 06:05 PM
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red7404 Offline
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IMHO. ethanol is just asking for water in your system. dont for get all acids are water base.

Re: We love our ethanol! [Re: red7404] #5137085 06/17/19 08:55 PM
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kschachn Offline
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Originally Posted by red7404
IMHO. ethanol is just asking for water in your system. dont for get all acids are water base.

What? I don’t get the acid connection, can you explain. I have a minor in chemistry so you can be a little technical.


1994 BMW 530i, 251K
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Re: We love our ethanol! [Re: kschachn] #5137102 06/17/19 09:20 PM
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The_Nuke Offline
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Originally Posted by kschachn
Originally Posted by red7404
IMHO. ethanol is just asking for water in your system. dont for get all acids are water base.

What? I don’t get the acid connection, can you explain. I have a minor in chemistry so you can be a little technical.


+2 (no chemistry minor, but I do have a periodic table shower curtain!)

I’m a little unclear on the intended meaning as well and would welcome a correction, because that post is just chocked full of scratch-my-head-ness.


2012 Charger Pursuit aka "The Bacon Hauler"
- 5.7L + NAG1 (A5) + 2.65 (215mm)
Re: We love our ethanol! [Re: kschachn] #5149308 07/02/19 07:25 AM
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Linctex Offline
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Originally Posted by kschachn
Originally Posted by red7404
IMHO. ethanol is just asking for water in your system. dont for get all acids are water base.

What? I don’t get the acid connection, can you explain. I have a minor in chemistry so you can be a little technical.


When ethanol burns, acetic acid is one by-product ( systematically named ethanoic acid )


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: We love our ethanol! [Re: Linctex] #5149501 07/02/19 01:20 PM
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BMWTurboDzl Offline
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Originally Posted by Linctex
Originally Posted by kschachn
Originally Posted by red7404
IMHO. ethanol is just asking for water in your system. dont for get all acids are water base.

What? I don’t get the acid connection, can you explain. I have a minor in chemistry so you can be a little technical.


When ethanol burns, acetic acid is one by-product ( systematically named ethanoic acid )


Nope. Acetic acid is not a by-product from the combustion of ethanol. Ethanol in contact with oxygen can eventually oxidize into acetic acid but the burning of ethanol creates CO2 and H2O.


“It took untold generations to get you where you are. A little gratitude might be in order. If you’re going to insist on bending the world to your way, you better have your reasons.”

435i
Re: We love our ethanol! [Re: SevenBizzos] #5149663 07/02/19 04:53 PM
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javacontour Offline
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About the only thing E85 is good for (for me anyway) is a cheaper fuel for returning Flex Fuel rental cars.


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Re: We love our ethanol! [Re: javacontour] #5149692 07/02/19 05:26 PM
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Originally Posted by javacontour
About the only thing E85 is good for (for me anyway) is a cheaper fuel for returning Flex Fuel rental cars.


....and horsepower. 😁


"He who is without oil, shall throw the first rod." - Compressions 9:1
Re: We love our ethanol! [Re: RDY4WAR] #5149908 07/02/19 09:59 PM
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javacontour Offline
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Well, since none of my cars can use it, I gave the (for me anyway) caveat.

It may help others, but it's mostly useless in my household.


Originally Posted by RDY4WAR
Originally Posted by javacontour
About the only thing E85 is good for (for me anyway) is a cheaper fuel for returning Flex Fuel rental cars.


....and horsepower. 😁


network down, IP packets delivered via UPS -BOFH
Re: We love our ethanol! [Re: BMWTurboDzl] #5149933 07/02/19 11:08 PM
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edhackett Offline
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Originally Posted by BMWTurboDzl

Nope. Acetic acid is not a by-product from the combustion of ethanol. Ethanol in contact with oxygen can eventually oxidize into acetic acid but the burning of ethanol creates CO2 and H2O.


Oh, if it were only true, what a wonderful place the world would be. CO2 and H20 are the only two theoretical components of the combustion of gasoline too. In the real world, inside a combustion chamber, oxidation is not complete and hundreds of compounds are formed. These include alcohols, aldehydes, ketones, and organic acids. Alcohols are particularly prone to forming aldehydes and acids as their structures are related.

Ed

Last edited by edhackett; 07/02/19 11:15 PM.

Never attribute to engineers that into which politicians, lawyers, accountants, and marketeers have poked their fingers.
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