Can we make green hydrogen (or other energy sources) from scrap we otherwise throw away? One of the frequently announced “breakthroughs” recurrently finding its way to our attention is that scrap food or farm waste has found its way to becoming aviation fuel, for instance. United and Alaska Airlines have flown aircraft powered by biofuels produced from food waste by suppliers at SEATAC airport in Seattle, Washington. Hydrogen is undergoing a growth spurt. The U. S. Department of Energy explains, “Hydrogen is an energy carrier that can be used to store, move, and deliver energy produced from other sources.” Green hydrogen seems to be an answer to many demands. It comes from splitting water, and if produced through clean means, is a carbon neutral to carbon negative product. Stainless Steel Powder and Water Dr. Guy Ben Hamu, Head of the Department of Mechanical Engineering at Sami Shamoon College of Engineering, explains the process uses H2 trapping, something usually related to …