Far from being low-carbon, greenhouse gas emissions from the production of blue hydrogen are “quite high”, concludes a study by Robert W. Howarth and Mark Z. Jacobson, researchers at Cornell University and Stanford University, respectively, published 12 August in the scientific journal Energy, Science and Engineering.
While blue hydrogen is often presented as low-carbon because it is coupled with CO2 capture and storage (CCS) technologies, the two researchers examined the life-cycle...