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Renewable Motor Fuels by Arthur M. Brownstein

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Chapter 6

Algae as a Fuel Source

Unlike higher plants, microalgae lack leaves or roots but are still capable of engaging in photosynthesis. Because of this, they produce about half of the earth’s atmospheric oxygen and simultaneously consume half of its carbon dioxide. This makes them desirable for the reduction of greenhouse gases while producing the means for the production of renewable fuels. Of the half million existing species, Chlorophyceae, the so-called green algae, are best for biodiesel production since they can exhibit a fourfold daily increase in number. Concerns about the sustainability of open ponds have led to closed photobioreactors for algae production. The high triglyceride content of algae makes them suitable for renewable diesel. ...

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