1. Department of Energy and Climate Change, The prices of fuels purchased by manufacturing industry, [Online] Available at: http://www.decc.gov.uk/en/content/cms/statistics/prices/prices.aspx#industrial [Accessed April 2011].
2. Climate Change Act 2008;HM Government,2008
3. Statistical press release: energy statistics;BERR,2008
4. Reay, D.A. and Morrell, M.(2007) Overview of process heat recovery, carbon trust. Presentation to the Heat Exchanger Action Group.
5. Department of Energy and Climate Change, Energy price statistics, [Online] Available at: http://www.decc.gov.uk/en/content/cms/statistics/energy_stats/prices/prices.aspx#industrial [Accessed April 2011].