Making clean hydrogen is hard; researchers solved a major hurdle
“Green hydrogen” does not generate greenhouse gas emissions. But creating it is expensive. This LAB RESULT (i.e., very early) looks promising.
Sector
Iron-air batteries: Huge green-energy breakthrough, or just a lot of hype?
To complement the “intermittency” of solar (zero at night) and wind (zero when calm), utilities need “grid level storage.” Lithium for batteries is rare and expensive; iron is plentiful. Is this promising?