Read at :
http://www.sciencedaily.com/releases/2012/03/120305132534.htm
Is Seaweed the Future of Biofuel?
ScienceDaily (Mar. 5, 2012) — As scientists continue the hunt for energy sources that are safer, cleaner alternatives to fossil fuel, an ever-increasing amount of valuable farmland is being used to produce bioethanol, a source of transportation fuel. And while land-bound sources are renewable, economists and ecologists fear that diverting crops to produce fuel will limit food resources and drive up costs.
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