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Algae: 'The ultimate in renewable energy'

Algae are among the fastest growing plants in the world, and about 50 percent of their weight is oil. Kertz, president and CEO of Valcent Products, said he can produce about 100,000 gallons of algae oil a year per acre, compared to about 30 gallons per acre from corn; 50 gallons from soybeans. Read the full story at CNN.com