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  • Sarathkumar Chandrasekaran

    Member • Sep 3, 2013

    Hydrogen exists in air at very very low level.It occupies only about .000055% in atmospheric air. By volume, dry air contains
    78.09% nitrogen , 20.95% oxygen,
    0.93% argon, 0.039% carbon
    dioxide, and small amounts of
    other gases.Only method to achieve the production of h2 is from water.It can be produced by various methods such as electrolysis,regenerative fuel cell , sulphur iodide cell,alkaline fuel cell and microbial fuel cell.Among the methods,microbial fuel cell is a natural one.H2 cars are the near future cars.So I hope my info helps you.
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  • Ramani Aswath

    Member • Sep 3, 2013

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  • Halley Rhode

    Member • Dec 22, 2013

    Thank you.
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