| A fuel cell is called regenerative if it can electrolyze the by-product water back into hydrogen and oxygen. |
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| The other is to use fossil fuel to generate the electricity that is required to electrolyze water and get hydrogen. |
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| In the end, the central question with hydrogen is whether it is made using renewable energy to electrolyze water, or with climate-disrupting fossil fuels. |
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| Then electrodes electrolyze the water to generate active oxygen and hypochlorous acid molecules, which work together to break down organic dirt and fight bacteria. |
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| Avogadro's number times the unit of charge gives Faraday's constant, the amount of charge required to electrolyze one mole of a chemical ion. |
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| An electrolyzer-based system would require only water for feedstock, and electricity, possibly from solar or wind, to electrolyze, compress, and refrigerate the fuel. |
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