The price of clean H₂

While editing this week’s cover story on the electrolyzers needed for clean hydrogen production, I couldn’t help wondering if producing H 2 really makes sense a national scale (page 24). The idea is to run low-carbon electricity through that split water into and oxygen. can then be stored used as fuel or raw material in place of oil natural gas. It’s nice idea, one already being carried out limited degree. But it multistep process not very efficient one. How many solar panels would required generate make all green hydrogen? asked story’s author, C&EN business reporter Craig Bettenhausen, guidance, he pointed me clean-hydrogen road map just released by US Department Energy (DOE). At