C-Zero raises $11.5m to scale up ‘turquoise’ hydrogen technology

Californian startup C-Zero has raised more than $11m to scale up its “turquoise” hydrogen technology that will be “critical to unlocking” the molecule’s potential to decarbonise major sectors.

Turquoise hydrogen is a by-product of a process known as methane pyrolysis, which splits methane into hydrogen gas and solid carbon.

Some consider that this makes turquoise hydrogen a low-emission hydrogen choice — but this depends on the energy-hungry thermal process being powered with renewable energy and the carbon being permanently stored.

Read more: Shades of hydrogen: Understanding grey, blue and green

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