Argument: Algae biofuel has to be created from scratch

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“The pros and cons of biofuels. Algal biofuel” CNN Money, Fortune. – “Minuses: Unlike cellulosic ethanol, the biomass for making a lot of fuel from algae doesn’t yet exist; it has to be grown from scratch.”

This is expensive, and can also mean that new algae biofuel plants and ponds may alter local ecosystems.