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-   -   Bio-fuel (http://forums.sv650.org/showthread.php?t=87940)

SV225 22-04-07 07:44 PM

Bio-fuel
 
Why aren't we all using it? Im watchin best of top gear at the min and it just said that with bio-fuel you a load more power from a car, it also said this on fifth gear with a Lotus Exige. The goverment uses the environment and lack of oil as an excuse to tax petrol so much so why not give really low tax on bio-fuel to make up for the lack of economy?

AlanSv 22-04-07 08:19 PM

Re: Bio-fuel
 
I looked into this a while ago, you can basically convert old chip fat (Vegetable) oil into bio fuel, or at leasts a diesel additive very cheaply. The problem is the government has strict rules on the duty due on fuels, and unless your home made biofuel is exactly the right mix you still get taxed (although not as much as forecourt prices), and you don't actually then save that much.

Talking to several businesses around my area, they would have gladly given me gallons of used chip oil if I'd tried it.

Look up on the web, theres plenty of how to make Biofuel websites. heres one

http://journeytoforever.org/biodiesel_make.html#3biod

Well Oiled 22-04-07 08:47 PM

Re: Bio-fuel
 
Most bio fuels are VERY bad for your engine. They damage the fuel line seals and cause the injectors to foul up. They also do horrendous things to the engine oil if they get into the sump in any great quantity. This is because they are very poor in terms of oxidation. Most manufacturers will void the warranty if you run on more than 5% biofuel, unless the engine is specifically designed for it. Where it is accepted, there are often conditions, such has having to change your oil 3 times as often in the case of some trucks.

Biofuels are NOT the renewable fuel many think they are. The energy required to grow, harvest, process and transport them to the filling station means the 'Well to wheel' benefits are maybe 20% of a truly renewable fuel.

Also, if every single piece of land that could grow bio-fuels did so, only about 10% of Europe's total fuel requirement could be satisfied. Virgin forest in places like Malaysia (a big CO2 absorber) is being chopped down in order to produce palm oil as a biofuel source - crazy!

We'd do far better to invest the time and effort into improving the efficiency of vehicles, but biofuels sound nice so the politicians have jumped on the bandwagon. Believe me, the world's energy / oil crisis will NOT be solved by biofuels.

Not sure about bio-ethanol for petrol cars, but bio-diesel has a much lower calorific value than mineral diesel and your power/mpg will suffer.

SV225 22-04-07 09:41 PM

Re: Bio-fuel
 
Quote:

Originally Posted by AlanSv (Post 1168121)

I'd love to have a go at making some of this stuff, maybe when I get a car I'll make sure its diesel so I can have a go. :D

Quote:

Originally Posted by AlanSv (Post 1168121)
unless your home made biofuel is exactly the right mix you still get taxed

Do they actually have a way to check for home-made fuel or could you just brew it in your shed and keep :-# about it?

Luckypants 22-04-07 09:45 PM

Re: Bio-fuel
 
Quote:

Originally Posted by SV225 (Post 1168225)
Do they actually have a way to check for home-made fuel or could you just brew it in your shed and keep :-# about it?

Dunno but defrauding the Revenue and Customs carries heavy fines. Ask anyone whose been caught using red diesel.

Baph 22-04-07 09:46 PM

Re: Bio-fuel
 
That would be the Swiss(?) car. I saw it too.

The one that develops 804hp on American (80ish RON) fuel. 850hp on EU fuel. Convert & tune it to bio-fuels & it kicks out 900hp. Damn.

Stig lost it on a corner because it lacked a spolier for rear downforce. So they sent it back for one fitting. The manufacturers then sent it back to Stig for testing.

Classic.

SV225 22-04-07 09:46 PM

Re: Bio-fuel
 
Quote:

Originally Posted by Well Oiled (Post 1168149)
Most bio fuels are VERY bad for your engine. They damage the fuel line seals and cause the injectors to foul up. They also do horrendous things to the engine oil if they get into the sump in any great quantity.

The webcit AlanSv gives lists fuel lines and injector seals being a problem but says you can get replacement parts that are bio-fuel resistant.

I think it was this bio-ethanol stuff that normal petrol cars can run on with bettert performance tho and no the diesel stuff.

Also the environment thing doesnt bother too much in the case of bio-fuels as I think a lot of it is used by the goverment as an excuse for tax. I'm not looking to save the planet or anything I'm just tight! :D

SV225 22-04-07 09:47 PM

Re: Bio-fuel
 
Quote:

Originally Posted by Baph (Post 1168229)
That would be the Swiss(?) car. I saw it too.

The one that develops 804hp on American (80ish RON) fuel. 850hp on EU fuel. Convert & tune it to bio-fuels & it kicks out 900hp. Damn.

Stig lost it on a corner because it lacked a spolier for rear downforce. So they sent it back for one fitting. The manufacturers then sent it back to Stig for testing.

Classic.

Thats the one! I didnt even want to try and spell the name as I cant even say it! :rolleyes:

TVR_Tracy 22-04-07 09:48 PM

Re: Bio-fuel
 
My friend works for TMO renewables in Guildford, they're a company which make "biologically derived fuels from agricultural waste" using fermentation techniques...

They don't have a functioning website yet, but here is some info...

http://www.tmo-group.com/tmo/media/r...06/2006-06-19/

http://www.geifventures.co.uk/pdfs/T...04%20final.pdf

gettin2dizzy 24-08-07 10:01 PM

Re: Bio-fuel
 
They've now changed the rules. Your allowed 50 litres a week tax free! Old diesels seem fine with vegetable oil unprocessed :) anyone tried it?


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