[Stoves] New paper on atmospheric Black Carbon

[Kevin]

Dear Crispin

Thanks very much. Your $6 per tonne CO2 carbon credit provides an excellent 
perspective on the relative value of Carbon Credits, in comparison to the 
value of charcoal/biochar as fuel. Certainly, it is far more sensible for a 
charcoal producer to sell his charcoal as fuel, for about $200 per tonne, 
than to sell it for $20 per tonne, for the carbon credit payment.

The case for biochar is very interesting. Given that the charcoal has a 
value of say $200 per tonne as fuel, it would have to have a value of about 
$180 per tonne as biochar, plus the $20 Carbon Credit to justify use of the 
charcoal as biochar, rather than as fuel.

An Australian Government study found that biochar would be economic for 
Farmers if its price was about $50 or less per tonne. Regrettably, I don't 
have a reference to that Report. Perhaps someone on the list can provide a 
reference to it, or, provide references to other reports showing that 
charcoal is worth more as Biochar, than it is as fuel.

Thanks again for your helpful perspective.

Kevin

----- Original Message ----- 
From: "Crispin Pemberton-Pigott" <crispinpigott at gmail.com>
To: "Stoves" <stoves at lists.bioenergylists.org>
Sent: Friday, January 18, 2013 1:44 AM
Subject: Re: [Stoves] New paper on atmospheric Black Carbon


> Dear Kevin
>
> I might be able to help with a carbon-in-char price.
>
> Assume 85% carbon in the char. Current price is below $6. That puts a 
> value of about 44/12 * 0.85 * $6 = $18.70 per ton or $0.018 per kilo of 
> charcoal. Call it 2 cents. That is about 1/10 of its value as a fuel.
>
> I can't see people accepting 2 cents not to burn it. It is simply too 
> valuable as fuel.
>
> A carbon dioxide price of $60 would be break even. At that price the 
> global economy would nearly vanish into the hands of the traders. Not 
> going to happen.
>
> Regards
> Crispin freezing in Waterloo
>
>
>
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