An Israeli research team at the Weizmann Institute has found a promising way to convert water into its constituent oxygen and hydrogen parts that may make hydrogen fuel cells economical. The current technique for creating the hydrogen for fuel cells from water has required so much energy input, that hydrogen fuel cells are not now economical to operate as an everyday energy source. The Israeli scientists have devised a three stage process inspired by photosynthesis which actually utilizes light energy in its third stage.
Among the most important challenges facing science today is designing an efficient system for splitting water into hydrogen and oxygen. The ability to do so will introduce hydrogen into the market as a clean, sustainable fuel. But man-made systems for getting to the root of water that exist today are very inefficient and often require additional use of sacrificial chemical agents.