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Algae as biofuel still rough around the edges

Sources of nutrients, carbon dioxide can make or break this potential renewable fuel heavyweight

By
6:08pm, January 26, 2010

Algae have emerged as a rising star among renewable fuels. But like any celebrity, the microorganisms still need the essentials to survive. The environmental footprint of providing algae with nutrients and water must be considered in judging whether algae will be competitive with other plant-based fuels, researchers report online January 19 in Environmental Science & Technology.

Microalgae are single-celled photosynthesizers. They make fats that can be converted into biodiesel or jet fuel in relatively few steps. The organisms have become a fledgling favorite in the renewable energy sector. On

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