1. EC (European Commission) (2015) Cutting energy use and carbon emissions in the transport sector conference, Brussels, 17 June 2015. https://ec.europa.eu/energy/en/news/cutting-energy-use-and-carbon-emissions-transport-sector-conference . Accessed 3 Mar 2016
2. EC (European Commission) (2015) CO2 emissions from new cars and vans continue to decrease. http://ec.europa.eu/clima/news/articles/news_2015112601_en.htm . Accessed 3 Mar 2016
3. EC (European Commission) (2014) 2030 Climate and energy framework. http://ec.europa.eu/clima/policies/strategies/2030/index_en.htm . Accessed 3 Mar 2016
4. EC (European Commission) (2011) White paper: roadmap to a single European transport area—towards a competitive and resource efficient transport system. http://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:52011DC0144 . Accessed 3 Mar 2016
5. EC (European Commission) (2009) Official Journal of the European Union. Regulation (EC) No 443/2009 of the European Parliament and of the Council of 23 April 2009. http://eur-lex.europa.eu/legal-content/EN/ALL/?uri=CELEX:32009R0443 . Accessed 14 Oct 2014