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Complicated cost estimate. Why is it so difficult to estimate the price of carbon capture and storage? / Eilif Ursin Reed. Cicero, 7/11/2011http://www.cicero.uio.no/fulltext/index.aspx?id=9162Carbon capture and storage (CCS) requires major investments, but nobody knows for sure what it costs to capture, transport and store CO2 on a large scale, mainly because this is uncharted territory. “It’s not easy to say what CO2 management costs in general. Facilities for CO2 management have not been built before, and therefore the real costs are unknown,” says Ståle Aakenes, Chief Economist at Gassnova...&#160;