If Green Algae Can Produce Hydrogen, Then...

October 6, 2005

[RenewableEnergyAccess.com] Hydrogen, abundant in nature, is a likely candidate fuel to replace a national dependence on gasoline. But the challenges in obtaining it are due to the need for other sources of energy like natural gas or electricity to enact the chemical change. Tasios Melis, a professor at the University of California at Berkeley discovered several years ago that green algae, which forms plentifully in tidal pools and freshwater ponds, emits hydrogen when deprived of sulfur. Tests are now being performed to harvest the algae and commercially process it in large tanks in the manner of today's oil refineries. A feasibility study shows that a bioreactor could process the algae into hydrogen using a patented bacterial culturing method.

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