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Does ethanol-free not have that familiar gasoline smell?

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  • altair
    replied
    Originally posted by tsenecal View Post
    Just a little side note here. I was looking through a you tube video posted on in the stovehuggers section. It was photos of old gas stations. As I was looking at them, one popped up that had a sign stating: Try Corn Alcohol Fuel, in small letters it said 10%. I guess it has been around longer than I thought. Was it just an experiment back then?

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  • Ermine White
    replied
    dleroux,
    Thank you for the data about Gasoline vs. Ethanol (E100) vs. Ethanol (E85).
    The Petroleum Refinery Engineer was exactly correct. E100 has 33% less BTU compared to gasoline. E85 has 28% less BTU compared to gasoline.
    The comparison in gallons of fuel makes it even more evident.
    Diesel (1 gallon) = 137,381 BTUs. That amount does not take into account how a diesel engine is more efficient (more miles per gallon).
    Mark.
    Last edited by Ermine White; 11-29-2019, 09:43 AM.

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  • dleroux
    replied
    Gasoline (base) 1 US gallon 114,000 BTU/gal
    Ethanol fuel (E100) 1.5 US gallons 76,100 BTU/gal
    Ethanol (E85) 1.39 US gallons 81,800 BTU/gal

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  • Blue 15G
    replied
    Bill, I run ethanol-free gas in my '54 and I don't notice any difference in the gasoline smell. Of course, there are lots of other causes for smells from the car. Collectively, they form what I and many others call the "Old Car Smell". I only notice it when it's parked in the garage.

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  • Ermine White
    replied
    Originally posted by Hawklover View Post

    Additionally I will tell you that gas mileage is but a 'shadow' of what it used to be when the car ran on pure gasoline (pre ethanol)
    A Petroleum Refinery Engineer told me how many BTUs were in ethanol vs. gasoline but I forgot the exact amounts. I vaguely remember ethanol was about 1/3 less BTUs than gasoline.

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  • Frank DuVal
    replied
    that fuel all comes in to the fuel terminus without the additives.
    Yes, but the "up to 10% Ethanol" is not a terminal added additive, it is blended at the refinery before the fuel enters the pipeline.

    The additives added at the terminal are Shell Techron, Exxon Synergy, Sheetz whatever (french fires?), etc. So, if Exxon terminal is out of fuel, the Exxon truck can fill up at Shell terminal, just not get the Shell Techron additive, add the Exxon Synergy additive and there you go a tank truck full of Exxon.

    I was buying Gasohol back in the late 70s early 80s in Virginia to get the highest octane available at the time for my '70 Buick 10:1 455. The '50 Champion did not need high octane.....

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  • Chris Pile
    replied
    Additionally I will tell you that gas mileage is but a 'shadow' of what it used to be when the car ran on pure gasoline (pre ethanol)
    That is because alcohol produces less power per gallon than gasoline. The optimum air/fuel ration for gas is 17 to 1. Most ethanol/gas mixtures are 14 to 1. Ethanol alone is 9 to 1.

    But ethanol is pushed for a variety of reasons - (A) to give corn farmers another market segment, (B) because ethanol burns pretty cleanly, (C) because ethanol burns with a cooler flame.

    It makes a great racecar fuel, but not a great daily transport fuel. And without getting into the political - but maintaining the truth of the situation, actual production of ethanol fuel pollutes 2 gallons of water for every 1 gallon of ethanol produced. It's a trade-off.

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  • Hawklover
    replied
    Originally posted by Ermine White View Post
    I cannot say that the ethanol -free gasoline smells any different to me than gasoline from before the "ethanol era".
    Gasoline/ethanol blend stinks to me and especially exhaust fumes from non-catalytic converter engines.
    My 1963 Studebaker GT Hawk does very well with ethanol-free gasoline.
    You are most fortunate!.........here in the greater NYC "megalopolis" there is sadly no ethanol-free gasoline:-(..........last year I removed every piece of rubber fuel hose from the tank all the way up to the carb in my Avanti...........I replaced with SAE spec'd FI hose and special clamps. Additionally I will tell you that gas mileage is but a 'shadow' of what it used to be when the car ran on pure gasoline (pre ethanol)

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  • nvonada
    replied
    If you have been sniffing gas a lot your sense of smell may have suffered...

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  • Hallabutt
    replied
    IMO it doesn't seem to make any difference if the fuel has ethanol in it or not. I have been told, and it makes sense, that fuel all comes in to the fuel terminus without the additives. The source of the basic fuel seems to make the difference in smell, with the exception of the unmistakable alcohol smell. Every once in a while I will fill up, and get the whiff of what I used to take for granted, as the smell of gasoline. It is not that it doesn't have alcohol in it, it's rather that the source of the base fuel is different.

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  • acolds
    replied
    I remember when they first started using the blended gas I had new 1975 Olds with cat and the exhaust had sweet smell now the current blended stuff does not give off same smell when used in earlier cars with cats. Also remember older cat cars when driven hard up hill would give of smell rotten eggs . New cars have very little smell from exhaust

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  • Buzzard
    replied
    Yes, Tom, I too took note of that when I posted the link. I had no idea they were playing with it back then when fuel was so cheap(relative to the times).
    Bill

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  • tsenecal
    replied
    Just a little side note here. I was looking through a you tube video posted on in the stovehuggers section. It was photos of old gas stations. As I was looking at them, one popped up that had a sign stating: Try Corn Alcohol Fuel, in small letters it said 10%. I guess it has been around longer than I thought. Was it just an experiment back then?

    Leave a comment:


  • Mrs K Corbin
    replied
    My studes, lawnmower, weed wacker, aircraft. etc. Anything not made specifically for modern gas doesn't get it. That stuff is hell on older fuel systems.

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  • Ermine White
    replied
    I cannot say that the ethanol -free gasoline smells any different to me than gasoline from before the "ethanol era".
    Gasoline/ethanol blend stinks to me and especially exhaust fumes from non-catalytic converter engines.
    My 1963 Studebaker GT Hawk does very well with ethanol-free gasoline.
    Last edited by Ermine White; 11-08-2019, 05:58 AM. Reason: spelling error

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