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Restablishing the idea that algae could be used as biofuel.

A few years back this idea seemed to be a possibility but has since diminished. Why are we no longer looking into this? Or are we and its just leased talked about? This could be such a great development for society.

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    Nov 19 2012: I would look at the units of energy required to produce a unit of bio fuel.

    I know the best one is light crude oil from the middle east and one of the wost is ethanol.

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