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by kremi
1268 days ago
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Some more drawbacks : 1. the plants are usually grown using fertilizers that are made out of, ironically, fossil fuels. 2. the process of turning the plant into fuel might also create emissions that need to be taken into account. |
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One really has to distinguish between CO2 that would be emitted by the process in the current fossil fuel economy, vs. CO2 emitted when the world is off fossil fuels. In the latter, where do the carbon atoms come from if not from the biomass, and hence from the air?