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Author Topic: Has anyone noticed a dffierence in fuel economy when using ethanol Back to Topics
CORNHICK

All-Star Author
Omaha

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Message Posted: May 1, 2012 8:38:24 AM

I am concered about percentages if you have lost fuel economy with using 10% ethanol and what kind of car. And whatever else tips you might have to tell me!
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Alexi7
All-Star Author Ohio

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Message Posted: Oct 28, 2014 5:09:43 AM

Our 2014 Chevy Equinox(2.4L 4-cyl.) gets close to 32 mpg on E-10, but only 25-26 mpg on E85. Our 2009 Pontiac G6(3.5L V-6) struggles to get 22 mpg on E-85 on trips, but gets 28 mpg on E-10.
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LibertyGuardian
Sophomore Author Arizona

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Message Posted: Oct 27, 2014 4:12:44 PM

10% ethanol has been in our fuel since the mid 90's so what's the big deal aside from someone getting their panties tied up in a knot over it...we used to have leaded fuel and it rather sucked.
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Mikeyy1960
Sophomore Author Cape Coral

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Message Posted: Oct 27, 2014 3:29:41 PM

yes
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RalphHightower
Champion Author South Carolina

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Message Posted: Oct 17, 2014 6:13:52 AM

yes
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CORNHICK
All-Star Author Omaha

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Message Posted: Oct 16, 2014 9:56:25 PM

hey traffic cop you mean E10?
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Floridaman2013
Champion Author Florida

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Message Posted: Oct 10, 2014 5:37:46 AM

Actually, My Grand Cherokee with Flex Fuel V6 always gets better than the EPA sticker and only use the standard E-10 sold here.My 2010 Nissan Frontier 4.0L V6, non Flex Fuel, always runs the same also, no mileage or running issues with E-10.
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Awing1
Champion Author Ontario

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Message Posted: Oct 10, 2014 5:16:14 AM

no I don't use ethanol fuel
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traffic cop
Champion Author Boston

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Message Posted: Oct 9, 2014 10:17:18 PM

Consider that the mpg specs for the car, when you bought it, were based on pure gas. Now most of us are burning E-90. My minivan NEVER achieved the "estimated mpg"--even with Ethanol Defense.
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PhilnTX
All-Star Author Dallas

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Message Posted: Oct 9, 2014 3:23:06 PM

I get 1.5 to 2 better MPG when using 100% gas (no ethanol)

There are numerous stations in Oklahoma that have signs (bragging about) their "No Ethanol Gas" I've found that it's about 3 to 4 cents more per gallon than E10.

There's a station in Greenville TX that usually runs about 30 cents more per gallon (I don't buy it there)

[Edited by: PhilnTX at 10/9/2014 3:25:06 PM EST]
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Shockjock1961
Champion Author Illinois

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Message Posted: Oct 9, 2014 11:16:11 AM

"higher octane fuels typically increase miles per gallon and also burn cleaner, reducing engine wear and pollution"

Higher octane fuels do not increase gas mileage unless your engine was designed to use high octane fuel. Engines designed to use high octane fuels typically have a high compression ratio, which increases overall efficiency.

As for burning "cleaner" and reducing engine wear and pollution, well you just fell for a bunch of propaganda designed to extract money from the consumers wallet...
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RAB2010
All-Star Author Kalamazoo

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Message Posted: Oct 9, 2014 10:46:03 AM

Yes, ethanol mixes reduce fuel economy. On the other hand, higher octane fuels typically increase miles per gallon and also burn cleaner, reducing engine wear and pollution.
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dontuknowOH
Champion Author Ohio

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Message Posted: Oct 9, 2014 2:34:55 AM

Yes since using E-10 added in the fuel, noticed a drop in mileage, also my vehicle was reprogrammed to keep the CEL off. My engine does burn cleaner, and no problems with the C.. converter, no carbon build-up, no moisture in the fuel tank, but some corrosion does take place in certain vehicles.

The E-10 in the fuel does absorb more other moisture that gets burnt away in the combustion chambers, that helps clean away minute carbon particles before they have a chance to build up internally.

I find my engine efficiency level is a little dimmed when burning E-10 fuel, results in lower mileage, but by a small %. The engine oil stays cleaner longer, converter, pistons/valves/plugs, and the hotter exhaust temps get the moisture on out the ex...pipe as minor vapors on warm-up.

Remember the soot out the older tailpipes on some older choked vehicles during colder weather! And past performance problems with carburetors, cheap gas prices, and repairs.... Cars today are close to ROBOTS with doors/wheels HMmmmm! Running On "Home Brew!"........LITE
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CORNHICK
All-Star Author Omaha

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Message Posted: Oct 9, 2014 12:04:01 AM

stop the ethanol non sense
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luvmyburgi
Champion Author Ohio

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Message Posted: Oct 8, 2014 9:22:53 PM

No
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46chief
Champion Author Indiana

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Message Posted: Oct 8, 2014 3:29:03 PM

I lose 7 mpg. when using E-85. So I don't use it.
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John_Doe
Champion Author Northwest Territories

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Message Posted: Oct 7, 2014 5:03:17 AM

no
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badbobKY
All-Star Author Lexington

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Message Posted: Sep 23, 2014 9:21:50 AM

no
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reb4
Champion Author Chicago

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Message Posted: Sep 23, 2014 9:16:22 AM

no choice here...
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OilerFan
Champion Author Tulsa

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Message Posted: Sep 23, 2014 7:38:03 AM

ethanol attracts water condensation, so that's an added issue.
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retiredssgt
Sophomore Author North Carolina

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Message Posted: Sep 23, 2014 7:18:22 AM

I have no idea where to get ethanol.
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hoopitup2000
Champion Author Virginia

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Message Posted: Sep 23, 2014 6:26:46 AM

The closest ethanol free ststaion is 60 miles away, so have never tried it.

Hmmm, no ethanol free stations close to the Nations Capitol, surprise, surprise.
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OilerFan
Champion Author Tulsa

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Message Posted: Sep 22, 2014 7:38:10 AM

Yes, there is a difference. I notice every time I get to have a full tank of 100% gasoline, that there is more mileage. Then when I go back to ethanol, I notice it drop again.
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MertieMan
Champion Author Lexington

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Message Posted: Sep 22, 2014 5:11:16 AM

Ethanol causes the average car to lose 1-4 mpg in gas mileage.
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Jmac2008
Champion Author Missouri

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Message Posted: Sep 12, 2014 12:18:48 AM

Yes, My 2012 Impala goes from 31.5 MPG Highway without Ethanol in the Gasoline down to 29.4 MPG highway with 10% Ethanol in the Gasoline. This is about a 7% drop in mileage with 10% Ethanol in the gas.
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CORNHICK
All-Star Author Omaha

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Message Posted: Sep 2, 2014 9:38:08 PM

and Yes I started running premium because all the other grades have ethanol in them now besides premium. But be careful cause some stations still have ethanol in their premium
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CORNHICK
All-Star Author Omaha

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Message Posted: Sep 2, 2014 9:37:16 PM

yeah ethanol is a alternative to gas and it is not 100% but neither is gasoline
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twt
Champion Author Virginia Beach

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Message Posted: Aug 11, 2014 4:12:30 AM

Yes. Gasoline, is for engines. Corn, is food.
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E-Squirrel
Champion Author Orange County

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Message Posted: Aug 11, 2014 2:38:43 AM

Yes, back when you could buy either straight gasoline or "gasohol" in this state. The car ('84 Honda Civic) ran well on it but I did lose about 5 -7 mpg.

[Edited by: E-Squirrel at 8/11/2014 2:39:09 AM EST]
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luvmyrv
All-Star Author Winnipeg

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Message Posted: Aug 10, 2014 10:24:47 PM

Yeah it sucks!!!!
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MertieMan
Champion Author Lexington

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Message Posted: Aug 10, 2014 8:16:26 AM

On average most vehicles lose about 1-4 mpg on ethanol.
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46chief
Champion Author Indiana

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Message Posted: Aug 9, 2014 10:39:19 AM

I lose 7 mpg. as soon as I switch to ethanol.
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GrumpyCat
Champion Author Alabama

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Message Posted: Aug 8, 2014 10:21:09 PM

From E0 to E10 usually makes very little difference but there is something some stations occasionally do which kills MPG by 10% and I haven't figured out what. The local affiliates of a large major brand name used to sell awful gasoline. A 500 mile day have have made 20+ times and never got less than 30 MPG returned 26 MPG. Had to buy fuel before arriving at my destination. The return on other gas was the expected 31 MPG.
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cv
Champion Author Raleigh

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Message Posted: Aug 8, 2014 5:54:30 AM

My truck seems to get a little less mileage per gallon,
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twt
Champion Author Virginia Beach

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Message Posted: Aug 8, 2014 3:38:20 AM

Ethanol, is not petroleum. Do the math.
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JoeKing
Champion Author Manitoba

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Message Posted: Aug 8, 2014 1:19:01 AM

no
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redfish67
Champion Author Dallas

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Message Posted: Aug 7, 2014 9:53:26 AM

no
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PaylessKY
Champion Author Kentucky

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Message Posted: Aug 7, 2014 9:34:15 AM

We have been using ethanol so long, I don't know what my fuel mileage would be without it.
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twt
Champion Author Virginia Beach

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Message Posted: Jul 19, 2014 5:05:54 AM

Simple. Corn oil, doesn't burn as well as gasoline. Nuff said,
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StArrow68
Champion Author Oakland

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Message Posted: Jul 18, 2014 5:56:32 PM

Since we only get e10 in CA it is hard to compare but on a recent trip east I got two tanks of pure gas and that was the best mpg leg of the trip, 29.99 vs 28.5 for the whole trip.
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GrumpyCat
Champion Author Alabama

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Message Posted: Jul 18, 2014 3:04:07 PM

E10 usually doesn't make enough difference to notice but there are some local sources of E10 which result in noticeably poorer MPG. Quite possibly due to water content.

Pure gasoline will hold very very little water. Ethanol will mix with gasoline and carry water with it, up to a point. No matter what, water in the combustion chamber is bad. Normally with pure gasoline water never gets that far. Its easy to drain water out of gasoline but more expensive than the product is worth to remove water from E10.

Water and ethanol mixed together corrode metals and plastics worse than either alone.
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Skyjunky
All-Star Author Portland

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Message Posted: Jul 4, 2014 12:06:26 AM

Heck yes besides all the h2o that can get in the systems and the hoses IF they are gas lines will be brittle or slowly melt be cause of the ethanol
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PaylessKY
Champion Author Kentucky

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Message Posted: Jul 3, 2014 9:38:32 AM

We have been using ethanol for so long, I don't remember.
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badbobKY
All-Star Author Lexington

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Message Posted: Jul 3, 2014 9:24:27 AM

don t use
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puddy
Champion Author Wisconsin

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Message Posted: Jul 3, 2014 8:32:48 AM

yes it is less using the fuel with ethanol in it
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cv
Champion Author Raleigh

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Message Posted: Jun 27, 2014 5:27:43 AM

Yes in my case, it seems like the mileage per gallon is less.
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badbobKY
All-Star Author Lexington

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Message Posted: Jun 23, 2014 9:13:50 AM

no
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OilerFan
Champion Author Tulsa

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Message Posted: Jun 23, 2014 8:11:20 AM

yes. The ethanol mix consistently gives lower mileage in every vehicle I've used it in.
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forresj
Champion Author Wilmington

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Message Posted: Jun 23, 2014 7:52:58 AM

Ethanol does lower overall MPG because 10% ethanol in gasoline has a lower energy density than just 100% pure gasoline.

I drive a 2011 MAZDA 3 hatchback. I don't use any fuel system cleaning additives because ethanol in the gasoline is supposed to clean the engine. But I do use a gasoline stabilizer because I want to keep the gas fresh because I don't drive as much anymore.

[Edited by: forresj at 6/23/2014 7:56:19 AM EST]
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Jackson126
All-Star Author Virginia

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Message Posted: Jun 23, 2014 5:35:57 AM

Lowers my mpg
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carinthuist
Champion Author San Francisco

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Message Posted: Jun 20, 2014 12:36:45 AM

don't use it
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