[ExI] Climate change doesn't matter

[Mike Dougherty]

On Thu, Feb 18, 2010 at 12:08 PM, Keith Henson <hkeithhenson at gmail.com> wrote:
> Though it isn't a very interesting topic here, I have been working on
> this for years.  There are multiple engineering approaches, most of
> what I have been working on is reducing the cost of SBSP.  There is
> another one I now know about and, though I am still going through the
> numbers, it too looks like it will fall into the "half as expensive as
> coal" class.

Maybe I don't have enough history to know what you are alluding to, so
I'll just ask...

If not SBSP, what?