Hey Matt, what have you got to say about Hexavalent Chromium Erin
Brockovich made a career out of it, as I remember.
Jim Hupy
> Yep, anytime you burn 10 gallons of fuel to do the same job that 5 gallons
> of fuel will do, what happens to the 5 gallons that just gets burned up
> with no work being done??
> I already know the answer, but I am curious what the rest of you
> think. Any government types want to put their spin on this one? (Grin)
> Jim Hupy
>
>
>
>> > ISTR that the EPA was wanting an oxygenate additive in the late
>> 70's/early 80s to reduce emissions from carbureted vehicles (of which
>> almost all
>> > vehicles were at that time) and the petro industry developed and
>> starting including MTBE as their oxygenating additive.
>> >
>> > Then, at some point, the narrative was heard that MTBE was being found
>> in groundwater and therefore a safer additive was needed - with that safer
>> > additive being EtOH. Plus EtOH was "renewable" and was good for the big
>> Ag industry as well as being less injurious to groundwater than MTBE was.
>> >
>> > Clearly there are some logical problems with all of this:
>> >
>> > 1. If MTBE was in the groundwater then gasoline would have also had to
>> have been there too - as they both would have been from leaking USTs.
>> > Switching to EtOH as the additive would do nothing to eliminate the
>> gasoline that was leaking underground.
>> >
>> > 2. Closed-loop fuel injection was just around the corner and would
>> eliminate the need for the extra oxygenate anyway - yet we still have it 30
>> > years later.
>> >
>> > I could be all washed up on my recollection and look forward to hearing
>> from Matt Colie and the others who were active in the industry at the
>> > time.
>> >
>> > --Jim
>>
>> Jim,
>>
>> Your memory is very good.
>>
>> MTBE (methyl tertiary-butyl ether) is incredibly soluble in water. Much
>> more so even than ethanol. It was never proven to be a carcinogen (though
>> CARB wanted it to be) but as an engine lab with fuel storage on site, we
>> were required to notify the city (Ann Arbor), the county and the state
>> anytime we had more than one pound of it on the property. It was a
>> pretty good knock suppressant, but it sucked as and oxygenant. But as
>> said, we
>> had to de-tune the engines to make any change that either that or alcohol
>> could cause any gain.
>>
>> If anybody had looked at the engineering going on, they would have seen
>> that before they could even implement their "wonderful" ideas, the
>> technology
>> would make them all irrelevant. (Which is where we have been since the
>> mid 80's.) ECMs came on line with the first of the closed loop catalyst
>> engines. They were controlled carburetors and not all that good, but
>> they could keep a catalyst lit and that was important.
>>
>> Me?
>> I'm still trying to figure out how something that makes ICE engines burn
>> more fuel is better for anything. With the possible exception of the
>> producers of said product....
>>
>> Matt
>> --
>> Matt & Mary Colie - '73 Glacier 23 - Members GMCMI, GMCGL, GMCES
>> Electronically Controlled Quiet Engine Cooling Fan
>> OE Rear Drum Brakes with Applied Control Arms
>> SE Michigan - Twixt A2 and Detroit
>>
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>