Bashing blue hydrogen: questionable numbers, flawed models
- Sep 5, 2021 11:31 pm GMT
What’s the fuss about?
In the 12 August 2021 issue of Energy Science and Engineering, Cornell’s Robert W. Howarth and Stanford’s Mark Z. Jacobson (hereinafter “H & J”) published a paper titled How Green is Blue Hydrogen?. It has created quite a stir. News accounts of the claims in the paper have been widely carried.
In the abstract to the paper, the authors state:
We undertake the first effort in a peer-reviewed paper to examine the lifecycle greenhouse gas emissions of blue hydrogen accounting for emissions of both carbon dioxide and unburned fugitive methane. Far from being low carbon, greenhouse gas emissions from the production of blue hydrogen are quite high, particularly due to the release of fugitive methane.
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