The carbon-rich solution, meanwhile, is treated in a separate vessel to release its burden of CO2, which can then be piped away and stored, and the amines or ammonium carbonate thus liberated recycled.

ECONOMIST: Carbon capture and storage

These algae now release their oil, which floats to the surface of the culture vessel.

ECONOMIST: Biofuels from algae: Craig's twist | The

The Isle of Wight-based Carisbrooke Shipping, which owns the vessel, said it was taking "all possible steps" to secure their release.

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