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 Post subject: Biodiesel - tell me more
PostPosted: Tue Oct 02, 2007 5:03 am 
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Location: East Sussex
Now I am down to one Land Rover I am now looking at the environmentally friendly alternatives to diesel. Can anyone shed some light on what is available. The old 2.5 NA engine is really thirsty, would the alternatives have the same sort of power loss like LPG does over petrol.

TIA

Damian


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PostPosted: Tue Oct 02, 2007 8:24 pm 
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Joined: Thu Jan 12, 2006 12:00 pm
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Location: essex
Damien hi , ooh , one of my favorite hate subjects. :evil:

You should in theory not notice any power loss due to the fact that you are burning a slightly different type of oil.

The end result is the same ,it will still produce the same amount of orrible stuff out of the exhaust.

I would have thought that with petrol now a quid a litre , you would have gone back to the good stuff :wink:

cheers Keith

www.gastech.org.uk


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PostPosted: Wed Oct 03, 2007 11:02 am 
Isn't biodiesel one of the causes now of deforestation in countries like Borneo? Sure I have read that somewhere, so while it may be carbon neutral it's not much cop if you are an orangutan and are slowly having your habitat flattened!


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PostPosted: Thu Oct 04, 2007 4:19 pm 
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That does'nt sound good. Think I will do a bit more research into that.

Damian


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PostPosted: Thu Oct 04, 2007 4:21 pm 
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I Don't believe it there are three filling stations within a 15 mile radius. I have got to try this !!!!

Damian


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PostPosted: Thu Oct 04, 2007 7:29 pm 
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Joined: Fri Feb 03, 2006 12:00 pm
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Location: North Wales
most biodiesel derives from veg oil ...either waste from chrisp factories etc ...or rapeseed oil of other oily plants ...
there is only one problem with it ...
it goes thick at low tempewratures ...and it can rot fuel pipes .

all the best.mark


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PostPosted: Thu Oct 04, 2007 8:21 pm 
Hmm... your choice but..

http://www.telegraph.co.uk/earth/main.j ... ang114.xml

http://www.guardian.co.uk/environment/2 ... .indonesia

Looked like a miracle cure to me a while ago... to good to be true, things usually are

Scott


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PostPosted: Sat Oct 06, 2007 7:24 am 
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Hmm - local station 80p a litre - not the sort of saving I expected.


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PostPosted: Sat Oct 06, 2007 7:26 am 
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Scoop940 wrote:
Hmm... your choice but..

http://www.telegraph.co.uk/earth/main.j ... ang114.xml

http://www.guardian.co.uk/environment/2 ... .indonesia

Looked like a miracle cure to me a while ago... to good to be true, things usually are

Scott


I for one would rather see fuel come out of the ground where possible. We cannot justify any more destruction of the rain forests !

Damian


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PostPosted: Sat Oct 06, 2007 2:33 pm 
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Location: North Wales
Did you not get the PM i sent to you Damian ..

all the best.mark


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PostPosted: Sun Oct 07, 2007 11:29 am 
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Mark,

Yes PM'd you back

Damian


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PostPosted: Mon Oct 15, 2007 8:13 am 
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Joined: Fri Jun 29, 2007 2:28 pm
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Location: Northants.
There is a good article on DIY biodiesel in Car Mechanics mag this month. Also visit the Greenfuel site for DIY bio kits, 1k and you can make your own.


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PostPosted: Mon Oct 15, 2007 11:43 am 
admin wrote:
Scoop940 wrote:
Hmm... your choice but..

http://www.telegraph.co.uk/earth/main.j ... ang114.xml

http://www.guardian.co.uk/environment/2 ... .indonesia

Looked like a miracle cure to me a while ago... to good to be true, things usually are

Scott


I for one would rather see fuel come out of the ground where possible. We cannot justify any more destruction of the rain forests !

Damian


Nor can we ignore the fact that oil is finite, whereas rapeseed, beet, sugar cane, wheat are all renewables. Biodiesel is a useful component of the future (urgent) need to reduce dependency on fossil fuels. Its the trading issues at fault rather than the principle. The two issues of rainforest depletion & alternative fuels are not directly linked together - its just unfortunate that there's not enough incentives for locals to keep the trees.

See http://www.peakoil.com/sample/ for more info on Peak Oil.


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PostPosted: Sun Jun 28, 2009 11:04 am 
we used to have a disel shogan, and I used to run it on filtered used veg oil in summer 90%, and it ran perfect, hears the but two thing that are good it burns cleaner lots of places just want rid of it, you will need to replace your fuel filter more often as its cleans the engin, and your mates following you will get very hungery (smells like a barbique) now the boring bit you can use up to 2500 leters per year with out paying duity after that you must pay fuel duity as the law stands at the moment


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PostPosted: Tue Jun 30, 2009 4:29 am 
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2,500 L per year is that for real !!!!!!!!

I use nowhere near that.

Damian


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PostPosted: Tue Jun 30, 2009 5:50 am 
yup as the law stands at the moment 2500 leters per year il find the link for the relivent goverment sight, a VERY BIG ps if you have a 2.8 shogan or padjero dont use it they run very lumpy the 2.5 we used it on had no problems good filtering befor you us it is very important and a little heat eliment round you fuel filter will help avoid sludge go to HMSO sight biofuel and all the info is there hope this is helpful


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PostPosted: Mon Jul 27, 2009 11:08 pm 
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Joined: Sat Nov 10, 2007 9:42 pm
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Location: Rotherham, South Yorkshire (civilisation)
There are a number of pros and cons regarding the use of vegetable oil in diesel engines.
The most glaring pro is that Herr Rudolf Christian Karl Diesel originally designed and exhibited his first compression ignition engine to run on groundnut (peanut) oil! It was only the avarice of the petrochemical industry that convinced the public that they needed to buy a hastily modified waste product of the crude oil cracking process to use in these engines. It was around this time that Herr Diesel ... mysteriously ... disappeared on an overnight Channel ferry :roll:

Perhaps the strongest con is that most modern 'common rail' engines - and many older ones using Lucas injection pumps - just don't like it and can fail drastically. In such cases it is best to stick to either properly converted bio-fuel or just a 50/50 mix of oil and proper DERV.

I've been running a 1996 Citroen Xantia 1.9 litre Turbo Diesel (Bosch injector pump) for over a year and many ,000's of miles on 85% WVO, filtered to sub 5 microns, with 15% unleaded added to reduce the viscosity and the cetane rating. Since I gave it to my niece I have supplied her with more oil and, so far, it's only had the one replacement fuel filter and even that should have been replaced when I first bought it!
Ps. The car has now covered well over 205k miles and still returns 50mpg on the WVO/unleaded.

_________________
If I can't break it nobody can. Failures to date: Nil! ;)


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PostPosted: Tue Jul 13, 2010 2:27 am 
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Joined: Sat Jun 05, 2010 3:09 pm
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Location: Up my own ass
While I was fitting my gas tank today
One of the campers came over and knew exactly what I was doing
We had a long chat about alternative fuels
And he told me he used to run a catering out let in the north of Scotland
When Biodiesel took off he had people coming into his store buying big drums of cooking oil to run there cars on

He said you mix this cooking fat with paint thinners and then put it in your tank and run it
Any thought about this one?
As you are thinning it down it may not go all hard in the winter!


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PostPosted: Tue Jul 13, 2010 9:14 am 
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Location: Rotherham, South Yorkshire (civilisation)
Since my last post on this subject my idiot nephew has written off the Xantia (and 2 more cars :shock: ) by not looking where he was going. However the Xantia was still running as well as ever on just filtered WVO and unleaded. I've also replaced it with a 1993 Toyota Estima Emina - a gray import 4WD 8-seater MPV with a 2.2 litre turbo diesel engine and automatic gearbox which runs happily on WVO with far less unleaded in it. I've still got The Old Girl, of course! When Tesco were recently selling rapeseed and sunflower oil on BOGOF I could get it at 42p/litre and all I had to do was pre-mix the unleaded in it a week or two in advance to allow it to 'mature' with no detectable downside.

There are three disadvantages to the use of paint thinners.
1) It doesn't burn as well as petrol
2) Legally speaking you would still have to pay the fuel duty on it
3) It's already dearer than petrol.

There is far more on the subject in the Estima Owner's Club Forum.

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If I can't break it nobody can. Failures to date: Nil! ;)


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PostPosted: Mon Nov 01, 2010 5:31 am 
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what you say about dual fuel diesel+lpg


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