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2. European Commission. Directive 2009/29/EC of the European Parliament and of the Council of 23 April 2009 amending directive 2003/87. EC so as to improve and extend the greenhouse gas emission allowance trading scheme of the community; 2009.
3. European Commission. Directive 2012/27/EU of the European Parliament and of the Council of 25 October 2012 on energy efficiency, amending directives 2009/125/EC and 2010/30/EU and repealing directives 2004/8/EC and 2006/32/EC; 2012.
4. European Commission. ESD directive 2006/32/EC of the European Parliament and of the Council of 5 April 2006 on energy end-use efficiency and energy services and repealing Council directive 93/76/EEC (Text with EEA relevance)); 2006.
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