The issue is distribution and storage. Hydrogen is a bit more difficult
to deal with than liquid fuels (or even LPG/LNG) -- a gas, low energy
density (as a gas), need high pressures, very low temps, etc. More
expensive than a small plastic or sheet metal tank.
--R
Curt Raymond wrote:
I had the same feeling about the "hydrogen economy" BS until I heard a thing on
NPR last week. Apparently some company has come up with a small scale system to make
hydrogen from water using a solar powered system. They envision it like a battery system,
store up hydrogen to use in cloudy periods. An interesting side effect though is if your
system were big enough you could make some to power your car. They have a system that
makes hydrogen right in the solar panels and they're supposedly using some amazing low
cost catalyst...
The guy claims it'll be ready for prime time in ~8 years but as far as I'm
concerned this is the first plan including hydrogen that makes even a glimmer
of sense. Of course big oil will fight it tooth and nail...
-Curt
Date: Tue, 24 Nov 2009 13:30:38 -0600
From: Peter Frederick <psf...@earthlink.net>
Subject: Re: [MBZ] MB 240D Diesel Hydrogen hybrid
To: Mercedes Discussion List <mercedes@okiebenz.com>
Message-ID: <5cb9a771-9dbc-404a-a628-6c5245925...@earthlink.net>
Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
I would love to see the milage rating for a diesel-electric hybrid,
should be about 30% greater than a gas/electric for city driving.
Same deal on the highway, though -- worse than the equivalent non/
hybrid.
Hydrogen fuel is a pipe dream -- the only current source is de-
carbonized methane, so the CO2 (and all that heat/work) is dumped
into the atmosphere during manufacture. "Sequestration" is bu...it
too -- who wants a volcano of CO2 snow when the underground storage
blows out (as it will, surely).
Better to burn the methane direct and DRIVE LESS!
Peter
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