The blue hydrogen blues

Devil’s brew or transition fuel? The high-stakes debate on natural gas-fueled hydrogen rages on. With its chemical symbol H, and its atomic number 1, Hydrogen, a colorless, odorless gas, is a universal giant. It appeared in the first second after the Big Bang and is now the most abundant chemical substance in the universe, making up 75% of all matter. Our sun is mostly composed of hydrogen. It is also one of climate’s holy grails: a potentially carbon-free energy carrier to join the pantheon of wind and solar. Unfortunately, for…