In recent years, Carbon Capture and Storage (Sequestration) (CCS) has been proposed as a potential method to allow the continued use of fossil-fuelled power stations whilst preventing emissions of CO 2 from reaching the atmosphere. Gas, coal (and biomass)-fired power stations can respond to changes in demand more readily than many other sources of electricity production, hence the importance of retaining them as an option in the energy mix. Here, we review the leading CO 2 capture technologies, available in the short and long term, and their technological maturity, before discussing CO 2 transport and storage. Current pilot plants and demonstrations are highlighted, as is the importance of optimising the CCS system as a whole. Other topics briefly discussed include the viability of both the capture of CO 2 from the air and CO 2 reutilisation as climate change mitigation strategies. Finally, we discuss the economic and legal aspects of CCS.

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 Residential consumer engagement in DR trials and programmes is systematically reviewed.  There is a large evidence base but findings are complex and often inconsistent.  Modelling studies tend to make optimistic assumptions about consumer engagement.  The evidence is strongest for relatively simple and predictable forms of DR.  More research and trial activity is needed on dynamic pricing and new loads.

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