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#2
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junnie, I missed the word "carburetor" as justification for ethanol in gasoline
in you cite. would you mind pointing it out to me? Gene Kearns" Date: 9/30/2004 11:22 AM Eastern Daylight Time Message-id: On 28 Sep 2004 17:35:45 GMT, (JAXAshby) wrote: so, matt, genius that you are, are you STILL claiming gasoline is oxygenated to reduce CO emissions upon cold engine startup for cars with carbs? In other words, matt, you are claiming a car with a Holly 5200 glued onto the intake manifold does not meet EPA standards and the EPA forced the petro companies to change the fuel to "make it all better?" I don't think he said that. The EPA did: Clean Fuel Provisions of the Clean Air Act of l990 • Oxygenated Fuels The oxygenated fuels provision affects 31 metropolitan areas that have high levels of carbon monoxide pollution (see chart).Since November 1992, gasoline sold in the winter in these areas must contain a minimum of 2.7 percent oxygen. The oxygen helps vehicles burn fuel more completely. this program has reduced vehicle carbon monoxide emissions by 15 to 20 percent. ====Reference==== From the EPA website: http://www.epa.gov/otaq/consumer/13-fuels.pdf |
#3
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(JAXAshby) wrote in message ...
here you, yo-yo. http://www.encyclopedia.com/html/o1/octanenu.asp an explaination even you can understand as to what the "octane rating" of octane is. Here are some lines from that link that are pertinent: "The engine is next operated on a fuel blended from a form of isooctane that is very resistant to knocking and a form of heptane that knocks very easily. When a blend is found that duplicates the knocking intensity of the sample under test, the percentage of isooctane by volume in the blended sample is taken as the octane number of the fuel." It's a classic neophyte blunder, confusing octane (spec. normal octane) for isooctane. It seems your understanding of gasoline engines and gasoline is at best cursory or dated. I practically begged you, twice, to look up octane ratings for normal octane and iso-octane. Had you done that, you'd have realized that the octane rating of normal octane is less than zero. You'll note that I have been very careful to distinguish between normal octane and iso-octane. You apparently have yet to understand the distinction and its significance. Here's another link that may help you in that quest: http://www.chevron.com/prodserv/fuel...#octane_number There are plenty of other pages on the web which contain great information on the topic. See if you can locate Bruce Hamilton's most recent Gasoline FAQ. Indeed if you just poke around the rest of the http://www.chevron.com/prodserv/fuel...etin/motorgas/ site a bit you could learn other tidbits about other gasoline and engines. I have seen you deride others for researching topics on Google or for using cut-and-paste, as if your hastily jotted recollections were more authoritative. Do you not see the hypocrisy when you cut-and-paste a definition from a dictionary or cite a link from an online encyclopedia that you have apparently not digested? I have been embarassed on your behalf that anyone could actually provide superior information, having known nothing of the subject at the outset, by applying techniques of research that you could easily do yourself. Even the most intelligent do not remember everything. Legend has it that Einstein did not remember his own phone number, but he did know where to look it up. Great minds do very well by retaining a scaffold of information and by referring to the literature to fill in the details when they are addressing a problem. When they speak, it is usually after they have already brought themselves up to speed. When they are disputed, they doublecheck and provide authoritative references that actually support their position, or they confess their simple misunderstanding and move on. They recuse themselves from strongly opining on subjects in which they are not expert, and they know what those subjects are. And they ask questions. When you asked "wtf???" it was a good start. %mod% the octane rating of normal octane, ... is, less than zero. wtf??? That is correct. Less than zero. Less than the rating assigned to normal heptane. I gave you a big hint when I said to look up octane numbers for "normal octane", "normal heptane" and "iso-octane" (a.k.a. 2,2,4-trimethyl pentane). Here's another hint (in form of questions): which is better as diesel fuel, octane or cetane? Which has higher octane number, heptane or propane? Can we make any generalizations about long vs. short chain alkanes and their branched isomers? %mod% |
#4
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junnie, those "old wives' tales" come directly from the Petroleum Institute of
America Journal of Apr/May 1921, which I have read in the original. Have you? I read it back in 1981, so pardon if I misspelling a word or wo. when did you read the Journal, junnie? Did you read it in the original or in a digest? "Gene Kearns" Date: 10/5/2004 12:16 PM Eastern Daylight Time Message-id: On 01 Oct 2004 01:45:06 GMT, (JAXAshby) wrote: You are focusing only on high octane rated "hot rod" fuel, never mentioned tetra-ethyl lead the discussion was regarding alcohol. tetra-ethyl lead came about from reaseach done by General Motors in 1920 on ways to improve the quality of gasoline Wrong. ("normal" octane of the times were about 65, though 100 octane gasoline was produced -- at huge expense -- for WW1 aircraft engines). Wrong Several compounds were found to be useful increasing "octane rating" of gasoline without super-expense refining. The very best of those compounds was tetra-ethyl lead. Wrong. It was merely the one that was coercively adopted to turn the maximum profit. The second best -- by some distance -- was a chemical still commonly used by farmers to reduce fungus growth on their crops [sorry I don't recall the name]. Wrong. the GM vice-president in charge of the reasearch project left GM at project's end to form The Ethyl Corporation (apparently with GM's blessing). This was all reported in The Petroleum Institute of America Journal [Apr/May ? 1921?], an original copy of which I read in 1981. Find a copy and read it if you wish. Wrong. Charles Kettering was Vice President of General Motors Research Corporation. He was President of The Ethyl Corporation. Around 1923, GM (virtually controlled by) DuPont with Standard Oil (now Exxon) created The Ethyl Corporation. Rarely has there been a subject more rife with Old Wives' Tales, Corporate Greed, and wholesale disregard for the consumer and their health..... ====References==== http://www.corpwatch.org/article.php?id=901 http://www.radford.edu/%7Ewkovarik/p...lconflict.html http://www.chemcases.com/tel/ http://www.radford.edu/~wkovarik/papers/fuel.html |
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