Hydrogen is only a carrier for energy and not a primary source of energy and it can only ever be as clean as what is used to produce it. The current hydrogen supply chain relies for 95% on fossil fuels and is a vast emitter of CO2. Any support to hydrogen leading to an expansion of this current supply chain would therefore be counterproductive. On the other hand, synthetic fuels will be necessary after 2030 to reach net-zero emissions. Hydrogen production powered by PV and wind is the most likely route for the clean synthesis of such fuels.
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