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Author: telegraph Big funky green star, 20000 posts Old School Fool Add to my Favorite Fools Ignore this person (you won't see their posts anymore) Number: of 18379  
Subject: Re: Dupont breaks ground on Cellulosic ethanol Date: 12/2/2012 1:49 PM
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It will be interesting to see if this plant can ever make money, other than by subsidies and refiners forced to buy it.

At least half a dozen 'cellulosic ethanol' providers have gone bust.....taking hundreds of millions down the 'greenie drain'.


Usually, it's the fact it takes likely as much energy to harvest all the low value, low energy 'stalks' and stuff....and transport it up to 30 miles to the plant......burning tens of thousands of gallons of diesel each month. Plus the fact you only get the stuff during a two month period a year. What do you do for the other 10 months a year? Sit on your butt and wait fo the next harvest? Or have massive massive piles, miles long and thousands of feet wide.....self destructing by itself as time goes on...to feed the plant month after month after month? It's not like storing ears of corn in silos. Giant warehouses for tens of millions of pounds of 'stuff'.

Plus, of course, now you deprive the ground of material to improve the soils. more need for fertilizer. That 'stover' is now plowed back into the ground, or used as animal feed. When plowed back in as 'organic material', it decomposes and provides needed nutrients to the soils. As well as fibrous material which helps retain moisture. now that is gone.

More chemicals and fertilizers to grow the next season's crops.


I predict this will be another massive failure on an EROI basis, kept alive only through giant mandates that require a percentage of cellulosic ethanol be produced and mixed into the fuel supply.


t
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