1. Ducreux, B.O. (2008). Powered Two Wheelers compared with cars: driving dynamics, fuel consumption and exhaust emissions in daily use.ADEME, December.
2. On the synergy between large electric vehicle fleet and high wind penetration–An analysis of the Danish case;Ekman;Renewable Energy,2011
3. European Commission (2011). WHITE PAPER Roadmap to a Single European Transport Area – Towards a competitive and resource efficient transport system COM(2011) 144 final.
4. European Environmental Agency. (2014). Nitrogen oxides (NOx) emissions (APE 002).
5. Mock, P. (2012). European Vehicle Market Statistics Pocketbook 2013. The International Council on Clean Transportation.