American Society for Testing and Materials, 2017, STAND TEST METH VOL, DOI 10.1520/D3175-18; Anonymous], 2015, D317615 ASTM INT; Anonymous], 2014, SOL BIOF FUEL SPEC 7, DOI 10.1506/car.25.1.4.; Anonymous], 2012, D317412A ASTM, DOI 10.1520/D3174-12; Anonymous], 2013, D5865D5865M19 ASTM, V10a, P1, DOI 10.1520/D5865-13.2; Chen YC, 2016, ENERGY SUSTAIN DEV, V32, P22, DOI 10.1016/j.esd.2016.02.008; Chungcharoen T, 2020, J CLEAN PROD, V256, DOI 10.1016/j.jclepro.2020.120434; Davies RM, 2013, J COMBUST, V2013, DOI 10.1155/2013/549894; Eggleston S., 2006, 2006 IPCC GUIDELINES; Emerhi E. A., 2011, Advances in Applied Science Research, V2, P236; Eriksson S., 1990, FAO ENV ENERGY, V11th, P137; FAO, 2019, FAO GIEWS COUNTR BRI; Gendek A, 2018, BIOMASS BIOENERG, V117, P173, DOI 10.1016/j.biombioe.2018.07.025; Gujba H, 2015, RESOURCES-BASEL, V4, P412, DOI 10.3390/resources4020412; Gupta S, 1997, ENERG CONVERS MANAGE, V38, P1869, DOI 10.1016/S0196-8904(96)00111-2; Hakizimana JDK, 2016, ENERGY, V102, P453, DOI 10.1016/j.energy.2016.02.073; Hamid MF, 2016, BIOMED RES INT, V2016, DOI 10.1155/2016/1679734; Iloamaeke I, 2012, INT J PLANT ANIM ENV, V2, P22; International Energy Agency, 2019, CO2 EM FUEL COMB HIG; International Energy Agency, 2019, REN INF OV; International Energy Agency, 2015, REN LEAD WORLD POW M; Izah S.C., 2017, AM J MODERN ENERGY, V3, P50, DOI 10.11648/j.ajme.20170303.12.; Jekayinfa SO, 2020, RESOURCES-BASEL, V9, DOI 10.3390/resources9080092; Kaliyan N, 2010, FUEL PROCESS TECHNOL, V91, P559, DOI 10.1016/j.fuproc.2010.01.001; Katimbo A., 2014, Agricultural Engineering International: CIGR Journal, V16, P146; Kpalo SY, 2020, SUSTAINABILITY-BASEL, V12, DOI 10.3390/su12062468; Kuhe A, 2013, J RENEW SUSTAIN ENER, V5, DOI 10.1063/1.4781048; lEA (International Energy Agency), 2019, AFR EN OUTL 2019 WOR; Loh SK, 2017, ENERG CONVERS MANAGE, V141, P285, DOI 10.1016/j.enconman.2016.08.081; Lubwama M, 2018, RENEW ENERG, V118, P43, DOI 10.1016/j.renene.2017.11.003; Miranda MT, 2018, J ENVIRON MANAGE, V228, P303, DOI 10.1016/j.jenvman.2018.08.105; Miranda T, 2015, MATERIALS, V8, P1413, DOI 10.3390/ma8041413; Mitchual SJ, 2019, BIOMASS CONVERS BIOR, V9, P541, DOI 10.1007/s13399-019-00410-8; Mohlala LM, 2016, ALEX ENG J, V55, P3025, DOI 10.1016/j.aej.2016.05.014; Muazu RI, 2015, FUEL PROCESS TECHNOL, V133, P137, DOI 10.1016/j.fuproc.2015.01.022; Navalta CJLG, 2020, RENEW ENERG, V147, P1941, DOI 10.1016/j.renene.2019.09.129; Ndindeng SA, 2015, ENERGY SUSTAIN DEV, V29, P24, DOI 10.1016/j.esd.2015.09.003; Njenga M., 2009, URBAN HARVEST WORKIN; Obi O.F., 2014, INT J SCI ENV TECHNO, V3, P1043; Okot DK, 2018, BIOMASS BIOENERG, V112, P61, DOI 10.1016/j.biombioe.2018.02.015; Onochie UP., 2017, J TECHNOL, V36, P987, DOI 10.4314/njt.v36i3.44; Onuegbu T. U., 2011, International Journal of Research and Reviews in Applied Sciences, V7, P153; Onukak IE, 2017, RECYCLING-BASEL, V2, DOI 10.3390/recycling2040017; Qi J, 2017, ENVIRON SCI TECHNOL, V51, P1886, DOI 10.1021/acs.est.6b03411; Quinn AK, 2018, ENERGY SUSTAIN DEV, V46, P1, DOI 10.1016/j.esd.2018.06.011; Rafidah J., 2011, P 8 BIOMASS ASIA WOR, DOI 10.13140/RG.2.1.4364.3368; Ramachandra TV, 2015, RENEW SUST ENERG REV, V44, P473, DOI 10.1016/j.rser.2014.12.036; Rezania S, 2016, ENERGY, V111, P768, DOI 10.1016/j.energy.2016.06.026; Romallosa ARD, 2017, RESOURCES-BASEL, V6, DOI 10.3390/resources6010012; Rosli F, 2016, BIORESOURCES, V11, P5565; Sawadogo M, 2018, J CLEAN PROD, V195, P1047, DOI 10.1016/j.jclepro.2018.05.261; Shiferaw Y, 2017, ENERG SOURCE PART A, V39, P2015, DOI 10.1080/15567036.2017.1399175; Sotannde O. A., 2010, Journal of Forestry Research (Harbin), V21, P63, DOI 10.1007/s11676-010-0010-6; Sridhar MK, 2009, BIOTECHNOL AGROINDUS, P341, DOI 10.1007/978-1-4020-9942-7\_18/COVER, 10.1007/978-1-4020-9942-7\_18/COVER, DOI 10.1007/978-1-4020-9942-7\_18; Suberu M.Y., 2012, ARPN J ENG APPL SCI, V7; Suhartini S, 2011, BIOMASS BIOENERG, V35, P4209, DOI 10.1016/j.biombioe.2011.07.002; Tippayawong KY, 2019, ENRGY PROCED, V160, P310, DOI 10.1016/j.egypro.2019.02.162; Tripathi AK, 1998, BIOMASS BIOENERG, V14, P479, DOI 10.1016/S0961-9534(97)10023-X; Ujjinappa S, 2018, SADHANA-ACAD P ENG S, V43, DOI 10.1007/s12046-018-0836-8; United Nations Development Programme, 2019, SUST DEV GOAL; Watts N, 2019, LANCET, V394, P1836, DOI 10.1016/S0140-6736(19)32596-6; Watts N, 2018, LANCET, V392, P2479, DOI 10.1016/S0140-6736(18)32594-7; Yank A, 2016, BIOMASS BIOENERG, V84, P22, DOI 10.1016/j.biombioe.2015.09.015; Yazdani MG, 2012, RENEW SUST ENERG REV, V16, P4965, DOI 10.1016/j.rser.2012.04.025