Use of Ethanol blended petrol - Mercedes-Benz Forum

 
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post #1 of 6 (permalink) Old 11-10-2004, 02:54 PM Thread Starter
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Use of Ethanol blended petrol

With the price of oil rising to near $50.00 U.S. a barrel the government here in Queensland, Australia is Legislating to permit the use of ETHANOL BLENDED PETROL WITH A MAXIUM OF 10PER CENT BLEND. What the Beaurocrats are saying that all modern cars can run happily on this mixture with no damage.
I personally think I will stay to premium unleaded fuel as my 190E 1.8 litre was designed for this fuel and to hang with the few dollars extra per year.
What do you fellow members think?
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post #2 of 6 (permalink) Old 11-10-2004, 03:15 PM
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RE: Use of Ethanol blended petrol

not sure of all the details, but here in the states we have a few different kinds of blends. i know the one here in the east is different than in the midwest as well as on the west coast.

here is an article that talks about reducing the # of blends in the US... i had no idea there were this many

http://www.showmenews.com/2004/May/20040527News016.asp
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post #3 of 6 (permalink) Old 11-10-2004, 03:34 PM
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RE: Use of Ethanol blended petrol

As long as the relevant octane rating is maintained, why would you avoid ethanol enhanced (10%) fuel? If you check, the addition of ethanol to regular gas/petrol RAISES the octane level, is cleaner burning and leaves less unburned hydrocarbons in the fuel and combustion systems. Keep in mind that the the percentage of ethanol is the controversial issue, however 10% is not within the realm of the controversy. Higher percentages could be a problem for older cars and will cause a decrease in performance since ethanol is not as combustible as traditional gasoline/petrol, but the trade off for renewable energy sources, less pollution and cleaner engines is probably a good trade off.
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post #4 of 6 (permalink) Old 11-10-2004, 04:41 PM
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RE: Use of Ethanol blended petrol

i agree with MTI, and might i add, its nice to see that someone else around here does there homework.
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post #5 of 6 (permalink) Old 11-12-2004, 02:35 AM Thread Starter
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RE: Use of Ethanol blended petrol

Thank you for the feedback, I will check the octane rating on Monday and if it is acceptable I will give it a go and help the enviroment. I was concerned that the ethanol could foul up the injectors. But it sounds like it it is a cleaner fuel that premium unleaded.
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post #6 of 6 (permalink) Old 11-12-2004, 11:15 AM
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RE: Use of Ethanol blended petrol


Ethanol has higher octane than gasoline, and that is often the reason for the commonplace 10% Ethanol blends.

The problem is that Ethanol will attack most rubber and plastic parts of your fuel system and shorten their life or cause them to fail abruptly.

Common problems caused by ethanol are carburetor gasket failure, carb float failure (if plastic), stress-cracking of vacuum tubes and fuel lines, and etc. Blends of 10% or less are considered safe for these parts because the ethanol concentration is low, but the damage still can occur.


Best Regards,


e




New Betty: 1982 300TD 58,000 miles

Old Betty: 1983 300TD 315,000 miles, RIP

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