What if biofuels were not so green?

crude vegetable oil, diester, bio-ethanol or other biofuels, or fuel of vegetable origin ...
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lio74
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by lio74 » 03/05/07, 11:43

Christophe wrote:
2) For Rulian your remark is valid ONLY if the biofuels are controlled by those who currently control the oil (ie mamouth), the HBV in ultra curved line (therefore ultra localized production), "thoughtful" culture could be very beneficial to the planet ... I believe there are enough docs on the site on the subject: https://www.econologie.com/forums/search.php



Hi everybody ! :D

we agree that biofuels are one of the solutions to the problems of transport pollution !!! but watch out for slippage !!!!! for a while the big financial groups (often linked to the oil lobbies) buy land to make fuels ago before the land prices explode !!! for example in Indonesia where they deforest to make mono-cultures of palm oil : Evil: : Evil: : Evil: where is the culture reflected there !!!!
=> pb of biodiverse ("murder" of the balance of an ecosystem) and intensive culture !!!!

so if you are for BIOfuels the really BIOfuels (not in the AB label sense, but in the healthy culture sense and respect for the workers of the land) go see that and sign the request for a moratorium:
http://www.moratoire-agro-carburants.com/ : Wink:

@+
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by Christophe » 03/05/07, 12:22

stef5555 wrote::? precisely they seem to me to have heard on France 3, the petroleum lobbying have complained against farmers and people who use these alternative fuels distributed without their controls

ps: the "people" = association, town hall employees, etc.

: Cry: but where are we going ???


How are we going? This is the current capitalist world ... it should not be that the ca gives ideas, so we cut the head to the dissidents from the beginning it is only for that because the cost of the trials made by the tanker and the State is probably much greater than their shortfall ... currently ...

This is the world of lobbies and king capitalism and with sarko president it will probably not work out (it seems to me that you are for him ...)
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by Cuicui » 03/05/07, 15:11

We must support truly green biofuels (short and environmentally friendly sectors) and proscribe questionable biofuels.
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by gilgamesh » 17/07/07, 15:05

PDF on the energy balance of biofuels. They really must take us for idiots ???

http://www.legrandsoir.info/IMG/pdf/Bio ... _07.06.pdf

It works because of the subsidies and the slaves on the cane sugar plantation in Brazil !! You can imagine a country the size of France as a monoculture of sugar cane ?? Visit the north of Brazil and I assure you you will change your mind about the wonder of this story.
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by abyssin3 » 18/07/07, 15:31

zac wrote:PS: stop thinking terrestrial cultures and think a little algae

Okay, in general, we only compare worse oil production, the most promising algae culture. We often forget that the ocean is one of the largest CO2 sinks on the planet ... thanks to plankton in particular.
(It's the same when we compare diesel Vs LPG, we don't take never includes a diesel which converts itself to LPG, and which still emits ~ 20% less CO2 than unconverted diesel ... not to mention other pollutants)
That said, this document still shows that crude oil is still far better than diester. Especially since tankers import large quantities of oil (++++ transport) to make their diester.
PS: Zac, wouldn't that be 5% of SP95 rather in your oil? (me it's 5-10% depending on the season)
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by Christophe » 17/08/07, 16:18

One more article (by Hervé Kempf, Jean63 will be happy):

Agrofuels have a poor ecological balance sheet

The use of agrofuels will not systematically limit greenhouse gas emissions, and it would be more effective to keep natural environments in good condition: this is the conclusion of a study published in the journal Science, Friday 17 August, and co-signed by Renton Righelato, of the World Land Trust, an ecosystem conservation organization, and Dominick Spracklen, of the University of Leeds (Great Britain).


The ecological balance of agrofuels is often criticized on the basis of the comparison between the energy spent to produce them and that which they provide. The balance is generally quite poor, even negative.


The following: http://www.lemonde.fr/web/article/0,1-0 ... r=RSS-3244

What journalists ALWAYS forget to specify is that these remarks concern the agrofuels (shit?) Retained by the governments and the industrialists... not those which would have a much better yield but whose development is (deliberately ???) limited ... algae, miscanthus, liquefaction of wood ... etc etc
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by elephant » 17/08/07, 17:51

Personally, I am quite in favor of regulations

1) which limits the proportion of area exploited in fuel convertible species by the farmer, pcq otherwise, we will end up with an increase in food species. (It has already started)

2) which authorizes the short supply chain: there are already enough trucks on the roads. This sector has the advantage of concentrating the profits in the hands of the farmer.

3) which also requires proportional hedgerow recreation.
The hedges are shelters from the wind (better yield nearby), shelters for animal species, have a favorable action on soil erosion by reducing runoff, not to mention the landscape interest.
A good agricultural hedge is preferably composed of several species, including fruit essences (berries)
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by I Citro » 17/08/07, 23:19

elephant wrote:Personally, I am quite in favor of regulations

1) which limits the proportion of area exploited in fuel convertible species by the farmer, pcq otherwise, we will end up with an increase in food species. (It has already started)

2) which authorizes the short supply chain: there are already enough trucks on the roads. This sector has the advantage of concentrating the profits in the hands of the farmer.

3) which also requires proportional hedgerow recreation.
The hedges are shelters from the wind (better yield nearby), shelters for animal species, have a favorable action on soil erosion by reducing runoff, not to mention the landscape interest.
A good agricultural hedge is preferably composed of several species, including fruit essences (berries)


This must go hand in hand with a crop that does not use synthetic inputs. The goal is to recover all the biodiversity (90% concentrated in the first 5 cm of the soil) that extensive practices have destroyed (leaching of the soil). Many solutions exist such as direct sowing which eliminates plowing and allows several annual harvests (90% fuel savings / hectare) or cultivation on BRF (fragmented rameal wood) which avoids watering and hosts useful competing mussels.
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by biomethane » 13/09/07, 15:16

elephant wrote:Personally, I am quite in favor of regulations

1) which limits the proportion of area exploited in fuel convertible species by the farmer, pcq otherwise, we will end up with an increase in food species. (It has already started)



But what about these food crops in greenhouses in Andalusia with Moroccan workers underpaid.
Since they lack water, they want to divert the rivers of northern Spain.
Especially since they are only intended for export.
With pollutants from polluting trucks to import them into France.

A report on Capital showed that they were producing vegetables like tomatoes at low prices and that French "tomatiers" to compete with these low-end tomatoes, had to produce more expensive high-end tomatoes with crosses and GMOs.
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by sam44 » 13/09/07, 20:19

profit, always profit ...

2 years ago I had a very stupid physical science teacher !! but very intelligent and well qualified, he told us that all the oil groups buy the patents of less polluting engines or fuels in order to prevent them from going out on the market, and to be able when there is no more of oil take them out and get crazy again !!! : Evil:

all this to say that we are talking about ecological "solutions", while there are some which have probably existed or even surely for years but which have been hidden from us in order to make a profit in a few months. years !!!!
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