H2 – Many Benefits, Many Challenges

Dean Sigler Electric Powerplants, Sustainable Aviation 0 Comments

The benefits of hydrogen are fairly obvious.  It would almost necessarily be a domestically produced material with few environmental shortcomings if made by clean processes.  The challenges to be overcome are many and varied, though – with the biggest obstacle to wide-spread use being in the distribution of the fuel. The U. S. Department of Energy, on its Fuel Economy.gov web site, concedes, “The current infrastructure for producing, delivering, and dispensing hydrogen to consumers cannot yet support the widespread adoption of FCVs (fuel cell vehicles).”  As different strategies are tested and adopted, this is likely to change, as are the costs for fuel cells and their longevity. Auto makers, working to bring FCVs to market, have dropped prices from the …

Cheap Hydrogen, Anyone?

Dean Sigler Electric Powerplants, Sustainable Aviation 0 Comments

Researchers in Glasgow and at Stanford University have devised ways to decouple oxygen and hydrogen from water without resort to expensive extraction or storage techniques.  Both breakthroughs involve low-cost materials, low-energy requirements, and the production of clean hydrogen through what should be renewable energy resources. The latter overcomes one major objection to hydrogen production.  As Professor Lee Cronin of the University of Glasgow’s School of Chemistry explains, “Around 95% of the world’s hydrogen supply is currently obtained from fossil fuels, a finite resource which we know harms the environment and speeds climate change. Some of this hydrogen is used to make ammonia fertilizer and as such, fossil hydrogen helps feed more than half of the world’s population. “The potential for …