3 Months Ago, Tehran Times says (in NASA uses algae to turn sewage into fuel) Algae's biofuel yield could range from 1000-4000 gallons per acre each year, compared to just hundreds of gallons per acre annually from oil palm, ...

And Space.com says (in NASA Uses Algae to Turn Sewage Into Fuel) Algae's biofuel yield could range from 1000-4000 gallons per acre each year, compared to just hundreds of gallons per acre annually from oil palm, ...