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If Green Algae Can Produce Hydrogen, Then...
October 6, 2005
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[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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Hydrogen will soon join wind as a clean, affordable, and forever renewable source of energy. Only 25,000 acres of green algae suffices to cover the needs for 100% of the US energy needs.
Some lament that the time will come when we will run out of oil but we did not run out of stones to move beyond the stone age. We will not have to exhaust dirty and dangerous coal, oil, and uranium to stop using them. Look around you plenty of stones are left unused.
In about five years solar will become economically competitive with dirty and dangerous energy as well and then Exxon/Mobile and other such shortsighted companies will need government subsidies or just go out of business.