Current lifecycle assessments ‘mask’ hydrogen’s near-term warming impact: EDF finds

Hydrogen’s near-term greenhouse effect has been masked by current assessment models, according to a new report by the Environmental Defense Fund (EDF).

The study published today (February 21) in the Environmental Science & Technologyjournal found standard frameworks to assess the climate impacts of hydrogen are “vulnerable to broad miscalculation.”

Having reanalysed a previous lifecycle assessment of hydrogen, the study showed that the “most widely used” frameworks fail to include critical factors including the warming effect of hydrogen emissions; measured real-world methane intensities; and the near-term warming impact of emissions.

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