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Politics : Foreign Affairs Discussion Group -- Ignore unavailable to you. Want to Upgrade?

To: LindyBill who wrote (27112)	4/26/2002 4:52:01 AM
From: frankw1900	Read Replies (1) \| Respond to of 281500

The idea that Hydrogen will be "Clean" is wrong. How about cleaner, then. There are high temperature fuel cells which use natural gas directly and although they put out pollutants it's far less than IC engines. we will have "cheap oil" for a long time. I wrote that the cheapest source of hydrogen is oil and gas... We will have to burn something else to produce it. Do we burn clean or dirty? Look at the virtuous circle again.

To: LindyBill who wrote (27112)	4/26/2002 6:42:12 PM
From: Maurice Winn	Respond to of 281500

Lindy, H2 could come from photovoltaics in the desert, with no need to burn anything to get it. Clean as a whistle! <The idea that Hydrogen will be "Clean" is wrong. We will have to burn something else to produce it. > There's no shortage of silicon, so Death Valley, Australia and Sahara could produce a LOT of H2 and electricity too. But I don't see what's wrong with feeding plants CO2 by recycling the trapped fossil hydrocarbons which were once thriving in the ecosphere before being stripped by nature and entombed for eons until we came along to free the carbon foundations for trillions of lives which should be lived, not buried. BP thinks that in a few decades, photovoltaics will provide about half the energy. I'm with you that with a bit more intellectual horsepower, we can, as with photons, electrons and everything else, tame gravitons and turn them to our will. The universe is made of energy and if there's one thing we are NOT short of, it's energy. Brainpower is the main shortage we have. Mqurice