Yeah, well, I guess the reason they prefer that is because, unlike 
biodiesel, you need heavy-duty industrialised financial backing for 
it, so it can't slip out of the hands of your proper corporateers and 
fall into the clutches of a bunch of hairy savages like us who'll go 
and upset everything. You can almost hear the sniff of disapproval in 
the quotes round "backyard tech". Wonder what Russ Teall thinks of 
that, or Camillo Holecek. LOL! Monocroppers, mumble mumble...

Best

Keith


>from
>http://www.sciencegroups.com/viewtopic.php?
>t=23536&sid=8c39c538abf24d72e52d2d4f452871fb
>
>
>Biodiesel is the name applied to vegetable oils that have been
>reacted
>with a small amount of alcahole (methanol or ethanol) catalysed by a
>hydroxide (such as NaOH or KOH) in a "backyard tech" process called
>transesterfication.
>
>It produces a superb diesel fuel that runs unmodified on ordinary
>diesels. (Raw vegetable oils need modified engines)
>
>Unfortunately the yield of the highest of yielding oil seed plants,
>the sunflower, means that a square meter of oil seed crop will only
>produce about 80 grams of oil per year. About 0.11L or about 0.030
>gallons.
>
>The company Choren Industries in partnership with DamilerChrysler and
>now VW have introduced a different concept for bio fuels they are
>calling sunfuel.
>
>Choren makes gasifiers. Their new Carbo V two stage gasifier can
>produce extremely efficiently a high quality tar free synthesis gas
>stream sutiable for use in either a combined cycle gas turbine (35%
>efficiency) or conventioanl fischer-tropsch synthesis of diesel.
>
>Fast growing trees can provide 220 giga joules per hectare. In terms
>of diesel yield after 50% losses due to conversion that equates to
>0.36 liters per square meter. (about 0.1 US gallons). That's ten
>times more than the oil see crop.
>
>The sunfuel is being produce at a rate of about 7.5 tons/month for
>use
>in trials by VW and DaimlerChrysler and cost about eu0.70 euro or
>$US0.70 per liter to make. (this is below the Eruopean sale price and
>because it is taxed less than imported mineral oil it ciuld thus sell
>at the normal European prices)
>
>Furthermore it is Chorens desire to combine the synthesis gas with
>electrolytically produced hydrogen to tripple the yield of fuel from
>about 0.35L/sq meter to over 1.0L/square meter of oil per year of
>land.
>
>Choren's Carbo V gasifier is not restricted to wood waste or purpose
>grown wood but can also used other forms of biomass, paper and even
>plastics and old tires.
>
>http://www.daimlerchrysler.com/dccom/0,,0-5-73591-1-75180-1-0-0-74520-
>0-0-135-7166-0-0-0-0-0-0-0,00.html
>
>http://www.sachsen.de/en/bw/hightech/umwelttechnologie/inhalt_re_0302.
>html
>
>http://www.choren.de/e_html/estra_1.htm
>
>http://www.refuelnet.de/content/refuelnet/pdf/SOMFB_99.pdf
>
>******************
>
>Comment: sunflower stalks were traditionaly used as a fuel while hemp
>produces almost as much oil but grows like mad withlittle to no
>fertaliser, no insecticide and little water while producing huge
>amounts of cellusoic fiber usefull in paper, textiles and fuel. Could
>Carbo V be a way of using the rest of the plant of the oil seed crop?
>
>Carbo V fuel synthesis also represent a way the electroyltic hydrogen
>can be used to tripple to fuel yield of biomass.



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