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The Water Cooler
General Discussion
It's Final -- Corn Ethanol Is Of No Use
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<blockquote data-quote="Rod Snell" data-source="post: 2492523" data-attributes="member: 796"><p>Per the UN report.</p><p></p><p>This was well-known from the beginning, and ignored by the faddish rush to ethanol.</p><p>As long as we are using natural gas to distill the corn to make ethanol, the TOTAL emissions are the same as if gasoline were used in the vehicle. If you have to ship it long ways using petroleum products for transport, it is WORSE than just using gasoline. As has been done with electric cars, if you just take the DIRECT EMISSIONS FROM THE VEHICLE and then IGNORE EMISSIIONS CREATED TO PRODUCE THE (fuel, electricity, batteries, whatever) then you get nice numbers that are BOGUS, given the entire problem.</p><p></p><p>One independent estimate is that it takes 1.25 energy units to produce 1 energy unit of ethanol, and the total emissions given our current distribution system are the same. If that is what we are going to call a "solution" we could have done as well by doing nothing.</p><p></p><p>I would like to point out that huge amounts of petroleum are used in the NE US in power plants to produce electricity, and for heating. These are conveniently left out of energy discussions.</p><p>By the single step of making it a goal to limit the use of petroleum to MOVING transport and using other, cheaper, American sources for fixed installations, we would not need to import ANY oil, and would not need draconian, ineffective meddling with car and truck engines.</p></blockquote><p></p>
[QUOTE="Rod Snell, post: 2492523, member: 796"] Per the UN report. This was well-known from the beginning, and ignored by the faddish rush to ethanol. As long as we are using natural gas to distill the corn to make ethanol, the TOTAL emissions are the same as if gasoline were used in the vehicle. If you have to ship it long ways using petroleum products for transport, it is WORSE than just using gasoline. As has been done with electric cars, if you just take the DIRECT EMISSIONS FROM THE VEHICLE and then IGNORE EMISSIIONS CREATED TO PRODUCE THE (fuel, electricity, batteries, whatever) then you get nice numbers that are BOGUS, given the entire problem. One independent estimate is that it takes 1.25 energy units to produce 1 energy unit of ethanol, and the total emissions given our current distribution system are the same. If that is what we are going to call a "solution" we could have done as well by doing nothing. I would like to point out that huge amounts of petroleum are used in the NE US in power plants to produce electricity, and for heating. These are conveniently left out of energy discussions. By the single step of making it a goal to limit the use of petroleum to MOVING transport and using other, cheaper, American sources for fixed installations, we would not need to import ANY oil, and would not need draconian, ineffective meddling with car and truck engines. [/QUOTE]
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The Water Cooler
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It's Final -- Corn Ethanol Is Of No Use
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