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.
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.