Gas with 10% Ethanol
Elder User
Joined: Jul 2005
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From: North Texas
Originally Posted by CA55F100
No matter what I have burned, it has yielded the same mileage. I take that back, the 85% blend has dropped my mileage, but not the 10% blend.
Postmaster
Joined: Jun 2004
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From: Pleasant Hill, MO
lookin at the number, as long as the gas is about 2/3 or more, you're not going to see a drastic drop in mileage. Especially, as was said, when gas prices move upward, and ethanol holds relatively steady, or drops.
Ryan
Ryan
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From: North Texas
Originally Posted by webmaster
E10 = 10% ethanol
E85 = 85% ethanol
E85 = 85% ethanol
Postmaster
Joined: Sep 2002
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From: None of your business
Around here (Northern KY), some stations run E10 (usually the cheap places) and some run other stuff. (I'm guessing MBTE or whatever). Anyway I always notice the difference in power and mileage with the Ethanol.
Mike
Mike
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E10 has about 120639 BTU/gallon which is about 96% of a gallon of gas so mileage will go down only slightly, like the site Ken mentioned listed 1-4% which will also depend on the state of tune in your vehicle. 96% of 15MPG is only 14.4 so depending on what mileage you get it may not be real noticeable. It IS less tho which is one reason they try to subsidize the price at the pump with lower taxes or subsidize production which means we all pay.
Elder User
Joined: Jul 2005
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From: North Texas
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From: NY and VA
It seems to my meager memory that there was a study that came out last summer that it takes much more energy to create ethanol than what you get out of it. Back in the 1970's running ethanol caused all sorts of problems with the fuel system flex lines. But "Big Brother" says it is the thing to do...
Post Fiend
Joined: Apr 2004
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From: Lafayette, IN
Let's not get too caught up in the idea that ethanol "takes more energy to make than you get out of it". That's true of hydrogen, too, and probably quite a few other potential fuels. Here's the point. Hydrogen and ethanol allow you to shift a non-portable energy into a portable fuel. You could use wind, solar, hydroelectric, coal or nuclear to help produce ethanol and hydrogen. With the direction gas prices are going, ethanol and hydrogen start to become viable because it makes economic sense in terms of the total cost (dollars and energy) to produce them over what we could end up paying for foreign oil.
Jason
Jason
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Originally Posted by jroehl
Let's not get too caught up in the idea that ethanol "takes more energy to make than you get out of it". That's true of hydrogen, too, and probably quite a few other potential fuels.
And you are correct. It is true of hydrogen and other alterantive fuels. Which is why we aren't using them now.
Originally Posted by jroehl
Here's the point. Hydrogen and ethanol allow you to shift a non-portable energy into a portable fuel.
Originally Posted by jroehl
You could use wind, solar, hydroelectric, coal or nuclear to help produce ethanol and hydrogen.
Some of the estimates I've seen indicate we would have to double our electric production to make this happen. With the grid running at near 100% now, how much would it cost to upgrade to be able to double production?
Originally Posted by jroehl
With the direction gas prices are going, ethanol and hydrogen start to become viable because it makes economic sense in terms of the total cost (dollars and energy) to produce them over what we could end up paying for foreign oil.
Jason
Jason
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We are paying the price now for not developing our own petroleum and coal reserves and pipelines, and not building nuclear power plants and refineries, etc. Renewable sources should be developed also and shifting demand by shifting forms always develops flexibility.
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Joined: Mar 2003
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From: Wisconsin
That's amazing that some of you don't have any mileage change when running E10. I have switched between E10 and no ethanol many times and when I'm running E10, I loose 1-2mpg. That hurts a lot when I'm driving the Bronco and running E10, after about 4-5 fill-ups I could have had a "free" tank of gas if I was not using any ethanol.
Postmaster
Joined: Feb 2003
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I still don't understand the need for an 'oxygenator' in the fuel anyway. We have all the oxygen we need in the atmosphere. Just jet or program the fuel mixture to use all the available oxygen.
Burning oxygen doesn't contribute to moving the car. Heating the gas in the combustion chamber is what causes it to expand and move the vehicle. Wasting fuel volume to carry oxygen seems to be a waste and appears to be proven out in the fact that Ethanol has less energy than straight gas. The real world experiences showing a decrease in fuel mileage also underscore this.
Burning oxygen doesn't contribute to moving the car. Heating the gas in the combustion chamber is what causes it to expand and move the vehicle. Wasting fuel volume to carry oxygen seems to be a waste and appears to be proven out in the fact that Ethanol has less energy than straight gas. The real world experiences showing a decrease in fuel mileage also underscore this.