For instance, producing 18.9 billion L of biocrude would require 789,000 ha of land (non-arable, but located near CO2 and seawater, notably less than the estimate by Pate et al. [75]) and 2.2 billion m3 of fresh water would be saved each year (by avoiding the fresh water consumed for conventional animal feed production) — enough to fulfill the water demands of roughly 7.9 million Californians (assuming 757 L/Californian-day [83]).