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by sebstefan
656 days ago
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You don't have to transport it very far if you generate it onsite straight in the hydrogen powerplant that'll turn it back into electricity with between 40 to 60% efficiency If we follow your 3rd paragraph and turn the hydrogen into hydrocarbons, not only do you lose efficiency in that process, you make CO2 as a byproduct of combustion again Nobody is interested in storage that turns your carbon-free green energy back into greenhousing energy The reason you might want hydrogen instead of batteries is just cost, I guess. |
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If you make your hydro-carbons with captured carbon, the process is slightly carbon-negative. ~10% of hydrocarbons are not burned, they're turned into plastic or lubricants etc. So for every 10 carbons you take from the air, only 9 are released back.