Phil Henshaw wrote:
> The co2/$ ratio for total economic product (economic
> efficiency) can only be reduced toward a positive limit and not toward
> zero (real 2nd law).
>   
If automobiles all used advanced batteries and only electric motors, and 
heating/cooling systems used only electricity, and all electricity came 
from generation facilities that did not output CO2, then what's the 
problem?   The issues with accumulated CO2 are still there no matter 
what policies for energy use are adopted.   Both stopping the output of 
huge amounts of CO2 and sequestering the debt seem reasonable to cast as 
technology issues. 

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