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Something lovely and quite positive- go pond scum, go!

Algae! Yay!
Seriously, this is very very cool. Research into using algae as a source for biofuels is proving very productive-
""Soybeans can give you 50 to 60 gallons of oil an acre compared to 75 to 125 gallons for canola, but algae is almost limitless because it grows so fast, so potentially you could get 10,000 gallons per acre." And while plants require a lot of fuel to sow and harvest and additional fertilizer and fresh water to nourish, algae can be continuously harvested from closed water-based bioreactors that require little additional replenishment other than inorganic fuel supplied in the form of waste gas."
LINK

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