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US looks to algae to replace oil

High oil prices and environmental and economic security concerns have triggered interest in using algae-derived oils as an alternative to fossil fuels. But growing algae — or any other biofuel source — can require a lot of water.

However, a new study shows that being smart about where we grow algae can drastically reduce how much water is needed for algal biofuel.

Read more at Pacific Northwest National Laboratory

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