Energy Supplies (was: Co-state variables)

Mark Jones Jones_M at netcomuk.co.uk
Tue May 19 12:08:19 PDT 1998


John, sorry for my intemperate tone earlier. Yes, I know about ethanol, but since it uses more energy to produce than it yields, what's the point? Mark

John St. Clair wrote:
>
> Mark, I'm not going to get into a debate about credentials, but you *do*
> realize that ethanol (substitute for methanol) can be produced?
>
> The question I originally asked, way back when, was:
>
> (I said) ...doesn't the probability that within 10-15 years, they [fuel
> cells] will be efficient enough to replace most car engines and energy
> supplies give you pause in the sweeping generalization that (as you put it),
> > ...turbines in Texas, but life as we know it will definitely be
> > discontinued. The world's energy-system will be decarbonised,
> > is being already as we move to carbon-light gas. We will ride
> > bicycles and the 'burbs will be ghost towns. (...)
>
> Simply a question about your latter statement: "is being already as we move
> to carbon-light gas." justifying the inference "We will ride bicycles ..."
> My question was: as we move along to lighter forms of carbon, will
> efficiency improve (i.e, the fuel-cell). And if so, does this mean that
> actually we will continue to ride in cars, in fact more cars? I'm not
> questioning the larger point of whether or not we will *eventually* run out
> of gas.
>
> Yours in fuel,
>
> John
>
> John St. Clair
> University of South Florida
> Department of Philosophy
> Cooper 107
> Tampa, FL 33647
>
> Office: CPR 267
> Phone: 813-974-5896
> Hours: M 3-5, T 10-12
> http://chuma.cas.usf.edu/~jstclair/



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