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To: Moominoid who wrote (12330)	12/31/2001 12:05:43 PM
From: smolejv@gmx.net	Read Replies (1) \| Respond to of 74559

My bet is on copycatting the clorophil-based approach mother nature took to convert photons to ATP. That energy conversion ladder is very much impossible to beat(). Of course replacing Fe for something else would be of advantage for mass production. Still, PGM ... can you make a cheaper suggestion (g)? Like Se... And Si could also turn to be of some use. A poignant Q: what's wrong with the plain old vegetation? A: Emissions? wrong... Nothing is wrong with any of the alternatives. It's just the damn II. law of thermodynamics. Whatever the bed covers, something will always stick out from beneath - humanity has gotten big enough to make itself felt. Example: once the number of degrees of freedom went from one (everybody smokes) to two (smokers / nonsmokers), every place had to compartmentalize into smoking/nonsmoking sections - "until such time when NAmerica turns 100% nonsmoking and Asia becomes the smoking section of the world". Which, again, is the same st, just repackaged. Re Frankfurt/Main - drop me a PM, if you need anything or just to have a local phone kwatch. dj

To: Moominoid who wrote (12330)	1/1/2002 12:27:57 AM
From: energyplay	Read Replies (1) \| Respond to of 74559

David - any comments on this ? The Haglestein Kucherov work on improving thermoelctric conversion using semiconductor diodes - web.mit.edu 18-20% heat energy to electricity at 275 degrees C. Stick on a catalytic converter, use teh waste heat to help charge the car battery and drop the generator load. I brieifly met Peter Haglestein a number of years ago. Very bright. He's the theory guy. Solar for hydrogen - Great for OZ, Arizona, and Texas.... but if it's cloudy and at high latitudes, how do you recover capital cost ? What interest rate would you need to make this work ? (Yeah, I know, borrow from Japan at 0.1 %)