Ways Of Geting Hydrogen

1)Electrolysis- in electrolysis electricity is passed through water
  causing the oxygen and the hydrogen to separate. Electrolysis 
  is curently non-cost effective.

2)Chemical- in water hydrogen will be replaced by a metal nobeler
   than it, freeing the hydrogen.

3)Enzymes- enzymes can be used in a two-step process to release
   hydrogen from the glucose in newspapers, grass, ect.  The 
   cellulose in the waste newspaper produced in the U.S. each 
   year is, in theory, enough to power 37 cities with a population of 
   27,000 each.

4)Biological- Hydrogen is produced in the first stage of photosynthesis

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