Re: [DML] Re: Alternate Fuels..
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Re: [DML] Re: Alternate Fuels..



Batteries ARE a more efficient way of storing mains electricity because the production of hydrogen by electrolysis, then compressing it is less efficient. 

By mass, LH2 is a better fuel than gasoline but by volume it's considerably worse!

Hydrogen is the fuel of the future, but there're too many problems to be overcome to make it economically worthwhile over petroleum fuels at the moment


Sent from my BlackBerry®

-----Original Message-----
From: Marc Levy <malevy_nj@xxxxxxxxx>
Sender: dmcnews@xxxxxxxxxxxxxxx
Date: Fri, 2 Mar 2012 08:08:45 
To: <dmcnews@xxxxxxxxxxxxxxx>
Reply-To: dmcnews@xxxxxxxxxxxxxxx
Subject: Re: [DML] Re: Alternate Fuels..

Ignoring the solar issue (Even buying electricity from the grid is cheaper than gasoline), if we are talking about transportation using electricity the real comparison would be the "sorting" the electricity in a battery versus hydrogen.

Hydrogen seems like it is cheaper, lighter, and has less impact on the environment.


--- On Fri, 3/2/12, Martin Gutkowski <martin@xxxxxxxxxxxxxx> wrote:

> From: Martin Gutkowski <martin@xxxxxxxxxxxxxx>
> Subject: Re: [DML] Re: Alternate Fuels..
> To: dmcnews@xxxxxxxxxxxxxxx
> Date: Friday, March 2, 2012, 10:45 AM
> Do some simple sums on the amount of
> energy in a tank of fuel then work out how long it'd take
> for a solar panel to transfer that energy. Factor in the
> (in)efficiency of the hydrogen generation, and work out the
> square yardage of panels you'd need to "re-fuel" your car in
> a reasonable length of time. 
> 
> I think you'll find in very short order that what you
> propose is thoroughly impractical and/or prohibitively
> expensive.
> 
> For me it comes down to how crap solar is as a renewable
> energy source. Wind might work on a domestic scale but your
> neighbours might not like you for it...
> 
> Martin
> 
> Sent from my BlackBerry®
>


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