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2. Department for Business, Innovation and Skills 2010 Business action to influence consumer demand for low-carbon goods and services http://www.bis.gov.uk/assets/biscore/business-sectors/docs/b/10-1100-business-action-to-influence-consumer-demand
3. Department for Communities and Local Government 2006 Code for sustainable homes, a step-change in sustainable home building practice http://www.planningportal.gov.uk/uploads/code_for_sust_homes.pdf
4. Directorate General for Energy (DGXVII) of the Commission of the European Communities 2005 Preparatory studies for eco-design requirements of EuPs - LOT14 Domestic washing machines and dish washers - Task 5 definition of base case http://www.ecowet-domestic.org/index.php?option=com_docman&task=cat_view&gid=27&Itemid=40
5. Directorate General for Energy (DGXVII) of the Commission of the European Communities 2007 Preparatory studies for eco-design requirements of EuPs - LOT2 eco-design of water heaters - Task 2 report market analysis http://www.ecohotwater.org/public/ecohotwater_task2_final.pdf