Replying to: Stéphane

Yes both are harmful, especially in the long run, I was not saying otherwise.
What puzzled me is the underlying idea I had always had that “natural” combustion was kind of clean because it’s a natural process (we burn calories, forests burn in the summer, etc).
Anyway. I don’t believe in 100% wasteless. Remember Lavoisier in chemistry class?

20 January 2006 15:37
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