A growing number of national governments and energy companies,including Shell1,have announced net-zero-emission ambitions.Although renewable electricity is expanding rapidly,without low-carbon hydrogen as a clean-burning,long-term storable,energy-dense fuel,a net-zero goal is difficult to achieve-especially when it comes to decarbonising fertiliser production and hard-to-abate heavy industries such as steel manufacture and power generation.Hydrogen also has potential as a transport and heating fuel that could repurpose existing gas distribution infrastructure or be introduced into existing natural gas supplies.
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