Large-scale production of biofuels made from algae poses sustainability concerns

Scaling up the production of biofuels made from algae to meet at least five percent -- approximately 39 billion liters -- of US transportation fuel needs would place unsustainable demands on energy, water, and nutrients.

URL: http://feeds.sciencedaily.com/~r/sciencedaily/earth_climate/recycling_and_waste/~3/uFGeSPB1B4w/121024133413.htm