A 15% ethanol blend is going to be allowed to be sold in the U.S. in an attempt to lower fuel costs. 10% ethanol is currently being sold. Is the 15% bad for a car's engine or performance? Is it worth paying more for ethanol free gas?

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Posted by Paco_taco

Dallas, Tx

Member since Apr 2012

1491 posts

Posted on 4/12/22 at 6:54 pm to LRB1967

Not sure but I have a flex fuel vehicle, and when I use the E-85 my gas mileage goes to shite. I wind up spending more for gas bc I have refuel that much more

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Posted by Homesick Tiger

Greenbrier, AR

Member since Nov 2006

56123 posts

Posted on 4/12/22 at 6:55 pm to LRB1967

quote:
Is the 15% bad for a car's engine or performance?

For older cars it is. My 2003 is rated for up to 12%. Anything over that and my service guy said I would have problems.

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Posted by thetigerfan

Member since Feb 2013

257 posts

Posted on 4/12/22 at 7:04 pm to LRB1967

Going to equal less MPG and cause mechanical issues. Resulting in the obvious, more expensive all around.

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Posted by LSUA 75

Colfax,La.

Member since Jan 2019

4642 posts

Posted on 4/12/22 at 7:10 pm to Paco_taco

I’ve read conflicting information about E-15 and engine damage.I think what I’ll do is put 1/2 E15 and half ethanol free when I fill up.PIA but I’d rather not take a chance.

I already use ethanol free for mower,chainsaw,generator,etc. since it has been available.I actually never h ad any trouble with E10 in my small engines but I feel better about using ethanol free.

Totally stupid to increase the ethanol if it’s going to be made from corn.With fertilizer and diesel prices there is likely to be corn shortages and it will be very expensive.
Just one more thing Brandon is doing to screw over America.

This post was edited on 4/12/22 at 7:14 pm

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