1. Air Transport Action Group [ATAG] Aviation Benefits Beyond Borders. Geneva, Switzerland, 2014: Available online: 〈http://aviationbenefits.org/media/26786/ATAG__AviationBenefits2014_FULL_LowRes.pdf〉 [accessed 1 June 2016].
2. Importance of biodiesel as transportation fuel;Demirbas;Energy Policy,2007
3. Microalgae for oil: strain selection, induction of lipid synthesis and outdoor mass cultivation in a low-cost photobioreactor;Rodolfi;Biotechnol Bioeng,2009
4. Jet fuel consumption on Index Mundi; 2012, available online; 〈www.indexmundi.com/energy〉 / [accessed 19 June 2016].
5. Biofuels from algae: challenges and potential;Hannon;Biofuels,2010