Achinivu EC, 2014, GREEN CHEM, V16, P1114, DOI 10.1039/c3gc42306a; Agoramoorthy G, 2012, GCB BIOENERGY, V4, P708, DOI 10.1111/j.1757-1707.2012.01171.x; Aguilar-Reynosa A, 2017, ENERG CONVERS MANAGE, V136, P50, DOI 10.1016/j.enconman.2017.01.004; Anonymous], WORLD BIODIESEL CONS; Anonymous], USED COOKING OIL MAR; Anonymous], BIOFUEL MARKET RES R; Balakshin M, 2011, PLANTA, V233, P1097, DOI 10.1007/s00425-011-1359-2; Balat M, 2005, ENERG SOURCE, V27, P931, DOI 10.1080/00908310490449045; Balat M, 2011, ENERG CONVERS MANAGE, V52, P858, DOI 10.1016/j.enconman.2010.08.013; Banerjee S, 2019, GLOBAL SCENARIO BIOF, DOI 10.1007/978-3-030-14463-0\_18; Behera S., 2019, LIQUID BIOFUEL PRODU, P285, DOI 10.1002/9781119459866.ch9; Bharathiraja B, 2017, RENEW SUST ENERG REV, V68, P788, DOI 10.1016/j.rser.2016.10.017; Birgen C, 2019, BIOTECHNOL BIOFUELS, V12, DOI 10.1186/s13068-019-1508-6; Campanario FJ, 2017, ENERG CONVERS MANAGE, V150, P599, DOI 10.1016/j.enconman.2017.08.053; Carvalho F, 2016, PAPERS OF THE 24TH EUROPEAN BIOMASS CONFERENCE: SETTING THE COURSE FOR A BIOBASED ECONOMY, P162; Chaudhary G, 2012, BIORESOURCE TECHNOL, V124, P111, DOI 10.1016/j.biortech.2012.08.067; Cheng SY, 2017, ENERG CONVERS MANAGE, V147, P19, DOI 10.1016/j.enconman.2017.05.044; Chiong MC, 2018, ENERG CONVERS MANAGE, V173, P640, DOI 10.1016/j.enconman.2018.07.082; Cripwell R, 2015, APPL ENERG, V160, P610, DOI 10.1016/j.apenergy.2015.09.062; Dafnomilis I, 2017, RENEW SUST ENERG REV, V78, P31, DOI 10.1016/j.rser.2017.04.108; Delmas MA, 2011, ENERG POLICY, V39, P2273, DOI 10.1016/j.enpol.2011.01.034; Demirbas A, 2009, ENERG SOURCE PART B, V4, P310, DOI 10.1080/15567240701621166; Demirbas A, 2016, ENERG EXPLOR EXPLOIT, V34, P290, DOI 10.1177/0144598716630166; Domanski J, 2016, BIOMASS BIOENERG, V91, P91, DOI 10.1016/j.biombioe.2016.05.008; El-Mekkawi SA, 2019, B NATL RES CENT, V43, P1; ElFar OA, 2021, ENERG CONVERS MAN-X, V10, DOI 10.1016/j.ecmx.2020.100048; Erdei B, 2012, BIOTECHNOL BIOFUELS, V5, DOI 10.1186/1754-6834-5-12; Ezeji TC, 2007, J IND MICROBIOL BIOT, V34, P771, DOI 10.1007/s10295-007-0253-1; Fraundorfer M, 2020, CLIM POLICY, V20, P652, DOI 10.1080/14693062.2020.1754157; Gao K, 2016, BIORESOURCE TECHNOL, V206, P77, DOI 10.1016/j.biortech.2016.01.036; Global Bioenergy Statistics, 2019, GLOBAL BIOENERGY STA; Gollakota ARK, 2018, RENEW SUST ENERG REV, V81, P1378, DOI 10.1016/j.rser.2017.05.178; Gräsvik J, 2014, BMC BIOTECHNOL, V14, DOI 10.1186/1472-6750-14-34; Guan WJ, 2016, BIORESOURCE TECHNOL, V200, P713, DOI 10.1016/j.biortech.2015.10.102; Gubicza K, 2016, BIORESOURCE TECHNOL, V208, P42, DOI 10.1016/j.biortech.2016.01.093; Gupta R, 2009, BIORESOURCE TECHNOL, V100, P1214, DOI 10.1016/j.biortech.2008.08.033; Guzman D, GREEN CHEM BLOG BIOB; Hadiyanto H, 2013, INT J RENEW ENERGY D, V2, P127, DOI 10.14710/ijred.2.3.127-131; Hansen MAT, 2014, IND CROP PROD, V55, P63, DOI 10.1016/j.indcrop.2014.02.002; Herath N, 2019, RENEW SUST ENERG REV, V115, DOI 10.1016/j.rser.2019.109385; Hsu TC, 2010, BIORESOURCE TECHNOL, V101, P4907, DOI 10.1016/j.biortech.2009.10.009; Ibrahim MF, 2018, RENEW SUST ENERG REV, V91, P1192, DOI 10.1016/j.rser.2018.04.060; Ibrahim MF, 2017, RENEW SUST ENERG REV, V79, P1241, DOI 10.1016/j.rser.2017.05.184; IEA, DATA STAT IEA 2019; IRENA, 2016, INNOVATION TECHNOLOG; IRENA, 2015, RENEWABLE ENERGY PRO, P120; Jahnavi G, 2017, RENEW SUST ENERG REV, V73, P798, DOI 10.1016/j.rser.2017.02.018; Jain S, 2010, RENEW SUST ENERG REV, V14, P763, DOI 10.1016/j.rser.2009.10.005; Jernigan A, 2013, ENVIRON PROG SUSTAIN, V32, P1013, DOI 10.1002/ep.11852; Jin Q, 2019, FUEL, V244, P536, DOI 10.1016/j.fuel.2019.01.177; Kang Qian, 2014, ScientificWorldJournal, V2014, P298153, DOI 10.1155/2014/298153; Keshav PK, 2016, BIORESOURCE TECHNOL, V214, P363, DOI 10.1016/j.biortech.2016.04.108; Khamaiseh EI, 2014, SCI WORLD J, DOI 10.1155/2014/395754; Kim S, 2019, GREEN CHEM, V21, P3715, DOI 10.1039/c9gc01210a; Kitzing L, 2012, ENERG POLICY, V51, P192, DOI 10.1016/j.enpol.2012.08.064; Kivevele T, 2016, IMPACT ANTIOXIDANT A, V32; Ko JK, 2020, RENEW SUST ENERG REV, V134, DOI 10.1016/j.rser.2020.110390; Kumar N, 2020, INNOV SUSTAIN ENERGY, P171, DOI 10.1007/978-981-13-9012-8\_8; Kumar P, 2009, IND ENG CHEM RES, V48, P3713, DOI 10.1021/ie801542g; Kumar S, 2013, RENEW SUST ENERG REV, V26, P822, DOI 10.1016/j.rser.2013.06.007; Kumar S, 2017, IND CROP PROD, V101, P21, DOI 10.1016/j.indcrop.2017.02.028; Kushwa D, 2019, REV CHEM ENG, V35, P475, DOI 10.1515/revce-2017-0041; LANE J, 2014, BIOFUEL DIG, P1; Lee XJ, 2020, ENERG CONVERS MANAGE, V210, DOI 10.1016/j.enconman.2020.112707; Li HL, 2017, BIORESOURCE TECHNOL, V228, P257, DOI 10.1016/j.biortech.2016.12.119; Liu Y, 2009, IND CROP PROD, V30, P431, DOI 10.1016/j.indcrop.2009.08.004; Liu ZY, 2010, J IND MICROBIOL BIOT, V37, P495, DOI 10.1007/s10295-010-0695-8; Lu CC, 2012, BIORESOURCE TECHNOL, V104, P380, DOI 10.1016/j.biortech.2011.10.089; Menegol D, 2016, BIORESOURCE TECHNOL, V211, P280, DOI 10.1016/j.biortech.2016.03.098; Michael Sauer MS, 2014, RENEWABLE RESOURCES; Mong GR, 2020, ENERG CONVERS MANAGE, V220, DOI 10.1016/j.enconman.2020.113074; Morone A, 2014, RENEW SUST ENERG REV, V37, P21, DOI 10.1016/j.rser.2014.05.009; Muktham R, 2016, IND CROP PROD, V94, P490, DOI 10.1016/j.indcrop.2016.09.019; Muley PD, 2019, ENERG CONVERS MANAGE, V196, P1080, DOI 10.1016/j.enconman.2019.06.070; Mulimani H.V., 2016, INT J INNOVATIVE RES, V5, P5061, DOI 10.15680/IJIRSET.2016.0504065; Neves PV, 2016, BIORESOURCE TECHNOL, V208, P184, DOI 10.1016/j.biortech.2016.02.085; Nikolic S, 2009, J CHEM TECHNOL BIOT, V84, P497, DOI 10.1002/jctb.2068; Öhgren K, 2006, J BIOTECHNOL, V126, P488, DOI 10.1016/j.jbiotec.2006.05.001; Parappurathu S, 2011, ICAR POLICY BR; Parliament E., RENEWABLE ENERGY FAC; Phukoetphim N, 2017, J BIOTECHNOL, V243, P69, DOI 10.1016/j.jbiotec.2016.12.012; Planning Commission Government of India ND, 2003, REP COMM DEV BIO FUE; Poojary S, 2018, J ENG SCI TECHNOL, V13, P2670; Prasad S., 2018, BIORESOUR TECHNOL RE, V4, P50, DOI 10.1016/j.biteb.2018.09.007; Purohit P, 2018, AIMS ENERGY, V6, P453, DOI 10.3934/energy.2018.3.453; Qureshi N, 2014, PROCESS EC RENEWABLE, DOI 10.1016/B978-0-444-59498-3.00012-9; Qureshi N, 2008, BIOMASS BIOENERG, V32, P1353, DOI 10.1016/j.biombioe.2008.04.009; Qureshi N, 2010, BIOMASS BIOENERG, V34, P566, DOI 10.1016/j.biombioe.2009.12.023; Rabemanolontsoa H, 2016, BIORESOURCE TECHNOL, V199, P83, DOI 10.1016/j.biortech.2015.08.029; Rajak RC, 2020, SCI TOTAL ENVIRON, V716, DOI 10.1016/j.scitotenv.2020.137067; Ramirez JA, 2015, ENERGIES, V8, P6765, DOI 10.3390/en8076765; Ranjan A, 2013, APPL ENERG, V103, P32, DOI 10.1016/j.apenergy.2012.10.035; Ranjan A, 2013, FUEL, V112, P567, DOI 10.1016/j.fuel.2011.03.030; Reales-Alfaro JG, 2013, CT F-CIENC TECN FUT, V5, P101, DOI 10.29047/01225383.60; RECOIL, 2013, ASSESSMENT BEST PRAC; Reid WV, 2020, GLOBAL CHANGE BIOL, V26, P274, DOI 10.1111/gcb.14883; Review Airport, 2018, INT AIRPT REV; Rezania S, 2020, ENERGY, V199, DOI 10.1016/j.energy.2020.117457; Roussos A, 2019, PROCESSES, V7, DOI 10.3390/pr7100667; S2Biom, 2016, VIS 1 BILL DRY TONN; Sánchez OJ, 2008, BIORESOURCE TECHNOL, V99, P5270, DOI 10.1016/j.biortech.2007.11.013; Sandesh K, 2020, FUEL, V262, DOI 10.1016/j.fuel.2019.116499; Sandesh K, 2017, RES J PHARM BIOL CHE, V8, P117; Schneider L, 2016, BIOMASS BIOENERG, V91, P134, DOI 10.1016/j.biombioe.2016.05.015; Selig MJ, 2009, APPL BIOCHEM BIOTECH, V155, P397, DOI 10.1007/s12010-008-8511-x; Shamsul NS, 2017, RENEW SUST ENERG REV, V80, P538, DOI 10.1016/j.rser.2017.05.245; Shen Z, 2017, PLOS ONE, V12, DOI 10.1371/journal.pone.0177577; Singh J, 2010, RENEW SUST ENERG REV, V14, P2596, DOI 10.1016/j.rser.2010.06.014; Smith P., 2015, MITIG CLIM CHANG CON, P811, DOI 10.1017/cbo9781107415416.017; Soltanian S, 2020, ENERG CONVERS MANAGE, V212, DOI 10.1016/j.enconman.2020.112792; Sonal Thakur, 2018, Veterinary Practitioner, V19, P123; Sorda G, 2010, ENERG POLICY, V38, P6977, DOI 10.1016/j.enpol.2010.06.066; Stanisavljevic I., 2007, Chemical Industry \& Chemical Engineering Quarterly, V13, P41; Sukumaran R.K., 2011, BIOFUELS-UK, V64, P571, DOI 10.1016/b978-0-12- 385099-7.00026-7; Sun Y, 2002, BIORESOURCE TECHNOL, V83, P1, DOI 10.1016/S0960-8524(01)00212-7; Taherzadeh MJ, 2008, INT J MOL SCI, V9, P1621, DOI 10.3390/ijms9091621; Takano M, 2018, BIORESOUR BIOPROCESS, V5, DOI 10.1186/s40643-018-0203-y; Thangaraj B, 2020, CLEAN ENERGY-CHINA, V4, P89, DOI 10.1093/ce/zkaa006; The Economic Times, 2019, EC TIMES; Vendruscolo F, 2015, INT J ENERG RES, V39, P293, DOI 10.1002/er.3224; Visioli LZ., 2014, IND BIOTECHNOL, V2, P316, DOI 10.1089/ind.2015.0023; Vohra M, 2014, J ENVIRON CHEM ENG, V2, P573, DOI 10.1016/j.jece.2013.10.013; Wan CX, 2011, BIORESOURCE TECHNOL, V102, P6254, DOI 10.1016/j.biortech.2011.02.075; Wang S, 2020, ENERG CONVERS MANAGE, V222, DOI 10.1016/j.enconman.2020.113253; Wang Zhongying, 2019, Energy Transitions, V3, P59, DOI 10.1007/s41825-019-00014-w; Winkler H, 2016, POLICIES SCENARIOS C; Xu JM, 2010, BIORESOURCE TECHNOL, V101, P5586, DOI 10.1016/j.biortech.2010.01.148; Yadav M, 2018, ENERG CONVERS MANAGE, V160, P364, DOI 10.1016/j.enconman.2017.12.072; Yeh RH, 2016, BIOMASS BIOENERG, V94, P110, DOI 10.1016/j.biombioe.2016.08.009; Yuan ZY, 2018, BIORESOURCE TECHNOL, V247, P242, DOI 10.1016/j.biortech.2017.09.080; Zeitsch KJ, 2000, SUGAR SER, V13, P1; Zhang S, 2019, MOLECULES, V24, P1