Energy Supplies (was: Co-state variables)

[Brad De Long]

Re:
>>
>> There is nothing "inherently" "fossil" "about" "coal" "or" "oil" "either".
>>
>
>Nonsense.  Coal and oil are formed geologically, and short of


>laboratory exercises in studying their formation, none is produced any

 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>other way.  There are quite practical methods for generating methane
>outside of geologic processes.
>
>
>--
>
>Joseph Noonan
>jfn1 at msc.com

Reread what you wrote...