1. International Energy Agency. Coal; 2016. Available from: 〈http://www.iea.org/topics/coal/〉. [Accessed 23 July 2015].
2. International Energy Agency. Statistics: CO2 emissions from fuel combustions; 2015. Available from: 〈https://www.iea.org/publications/freepublications/publication/CO2EmissionsFromFuelCombustionHighlights2015.pdf〉 [Accessed 23 July 2015].
3. European Commission. Climate action: Paris agreement; 2016. Available from: 〈http://ec.europa.eu/clima/policies/international/negotiations/future/index_en.htm〉. [Accessed 23 July 2015].
4. European Commission. The European Bioenergy Networks (EUBIONET): Biomass Co-firing; 2016. Available from: 〈http://ec.europa.eu/energy/res/sectors/doc/bioenergy/cofiring_eu_bionet.pdf〉 [Accessed 24 July 2015].
5. Biomass-coal co-combustion: opportunity for affordable renewable energy;Baxter;Fuel,2015