JD>  > This is 24 watts - a very very small amount of energy.
 JD>  > You are using half of this ( 12 watts ) to drive the pump and the 
 JD> 
 JD>  > other half to generate hydrogen.
 JD> 
 JD> I was wondering when someone would point this out. It seems that too 
 JD> many folks have either forgotten or never learned the basics of 
 JD> energy conversion. The limitations and formulas were NOT developed 
 JD> by money-grubbing corporations just to keep us low-lifes in slavery. 
 JD> They're laws of nature.
Right you are, BUT...
If you are using excess power from an existing PV array,or another RE 
source, you may not be losing anything in the effort. If you add to the 
system to accomodate the hydro setup, or build an array specifically for 
this app, the story could be different.
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