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Climate Change

'Turquoise' hydrogen offers Japan new path to decarbonization

Machinery maker Ebara to market solid carbon byproducts

Ebara is making inroads into pumps, compressors and other equipment used in hydrogen systems. (Photo courtesy of Ebara)

TOKYO -- Japanese industrial machinery maker Ebara is working on a new method to produce "turquoise" hydrogen, a potentially emissions-free version of the fuel, with the aim of commercializing it around 2026 to tap the global push toward decarbonization.

Most hydrogen produced today is extracted from fossil fuel sources through an extremely carbon-intensive process. But turquoise hydrogen is produced from methane contained in natural gas and biogas through a decomposition process called pyrolysis. Carbon produced in the process is in solid form, meaning it is not released into the atmosphere. 

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