Energy Supplies (was: Co-state variables)

[Brad De Long]

>On Tue, 19 May 1998, Mark Jones wrote:
>>
>> Oh, right. Methane isn't a fossil fuel, I suppose? Gimme a break...
>>
>> John St Clair, are you really at the Department of Philosophy?
>>
>> Mark
>>
>
>As you care so passionately about energy issues, I would have thought
>you were better informed.  Methane is commonly know as "swamp gas".
>It is a product of vegetation rotting.  Crude bio-mass generators can
>generate methane -- there is nothing inherently "fossil" about it.

But most methane that humans burn *is* a fossil fuel.

There is nothing "inherently" "fossil" "about" "coal" "or" "oil" "either".