In Reply to: Re: I like science and technology... posted by CB on August 31, 2006 at 21:19:14:
Yes, very much so, it becomes another cycle: CO 2 of the atmosphere bound in organic material...then
by procedure turned into coal (didn't read about the input of energy, but I suppose the overall ratio
usable eneergy vs. input of enrgy is pretty good - would have to look it up, which I'd do more, if you're interested...and you can use anything from wet gras to hay to whatnot...)