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Old 07-19-2012, 02:39 PM   #15
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Originally Posted by jspande View Post
Yes, let's blame a Bogey Man - that's always comforting.

While I'm dubious of making the ethanol from corn, I think most of the posts here are forgetting, or overlooking, the fact that ethanol is actually an octane boosting additive. And a much less toxic one than such alternatives as tetra ethyl lead and M?? (I forget the two letters in the acronym but it caused really serious contamination of groundwater here in CA some years back - turns out a lot of underground tanks at gas stations had leaks).

If one were to refine gas to get the needed octane rating without additives, they would get fewer gallons per barrel of oil, and such gas would be more expensive.

Just saying things aren't nearly as simply as many think (or claim).
Just to update, after a little Googling. The additive I was trying to name was MTBE (I knew it had an "M" at least).

According to Fuel Economy (I think that was it) the reduction in mileage for E10 is 3-4%.

Ethanol energy content is 75-85k BTU per gal. and gas is 108-117k BTU per gal.

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Old 07-19-2012, 03:02 PM   #16
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Originally Posted by Perry White View Post
You can still buy straight gasoline in the South...
...except in EPA non-attainment areas. Here in Houston, TX and the surrounding counties, the EPA mandates a minimum of E10 based on the use of ethanol as an oxygenate.


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Old 07-19-2012, 03:13 PM   #17
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Just my 2cw

I just don't care

The whole ethanol gig had a lot of players involved including farmers, politicians, and list of characters right out of a hollywood script. So what ? It did prove we could make fuel out of corn if we had to which is not a bad idea if our supply gets cut from those OPEC guys.

I am getting to the age where this doesn't matter as long as I can find enough go juice to go where I want to go, I'm happy. Been thinking about them new small diesel rigs if they weren't so expensive I might get one, but I don't need one.

I keep the old rig on the double nickel and she get 9.5 to 10.5 MPG. I'm in no hurry to get anywhere unless I'm in an ambulance.

This blaming this one and accusing that one about this or that is just a wast of time I could be spending taking a nap or a walk in the woods listening to the wind in the trees and trying to catch a fish in a stream or reading a good book. Some things just aren't worth my time to worry or fuss about.

In England where they pay big bucks (er pounds) for fuel they go camping and RV'g a lot and get by just fine smaller rigs, more fuel efficient and yet they have a wonderful time; so can we ! If I had the money I would love to go to GB and do the RV thing there just for kicks and giggles. The point is have a good time doing what you want even if that is bitch'n. As usual YMMV
"Travel is fatal to prejudice, bigotry, and narrow-mindedness"
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Old 07-20-2012, 04:04 AM   #18
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Originally Posted by jspande View Post
This doesn't make sense - it's saying that the ethanol has zero energy. I thought that ethanol contains about 15% less energy per gallon as gas ( memory may be faulty here but I'm sure ethanol isn't zero energy).

That would seem to suggest that mileage should be reduced (for 10% ethanol mix) by about 10% of 15% = 1.5%. How could it possibly be 10%!

Check the EPA rating of a car that is is flex fuel capable (E85). Although designed to run E85 it's EPA MPG is 25% lower. I have not looked at any new cars for 3 / 4 years but the window stickers were showing both ratings.

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