Right. This would be the ideal method. Use clean electricity to convert
water into H2 (and O2 of course) and reconvert that to water to get
electricity. *But* as long as more poluting methods are cheaper things are
not likely to change. Market economy at work, unfortunately.
Draw the parallel to SUVism in the US. Gas is too cheap for people to worry
about it as a factor when picking a vehicle. Same with registration costs.
In Europe people have no choice but to buy small cars as it is very very
expensive to drive big ones. Only rich folk drive big cars there. I don't
want to argue better/worse but that's basically how it is (IMO) right now.
Sander
----- Original Message -----
From: "Ben Zarzycki" <[EMAIL PROTECTED]>
To: "ERPS" <[EMAIL PROTECTED]>; "Paul F. Dietz" <[EMAIL PROTECTED]>
Sent: Monday, November 25, 2002 7:41 AM
Subject: Re: [ERPS] Solar cell research breakthrough
> On Mon, 25 Nov 2002, Paul F. Dietz wrote:
> > Even if you want to avoid net CO2 emission, hydrogen from
> > thermally processed biomass is cheaper than hydrogen from
> > electrolysis if the cost of electricity is > $.02/kWh (using
> > somewhat old figures). I suspect coal or gas-derived hydrogen
> > with CO2 sequestration would be even cheaper.
>
> The point of electrolysis is not that it is cheaper (although it may be if
> we had an abundance of clean energy such as solar cells). The point is
> that is creates a clean "hydrogen cycle" that is not dependent on plants.
> Water is split. Water is made. No intermediary steps. This is not the case
> for any other method.
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