SUSTAINABLEAVIATIONFUELSINSOUTHEASTASIAAregionalperspectiveonbio-basedsolutionsDisclaimerThispublicationandthematerialhereinareprovided“asis”.AllreasonableprecautionshavebeentakenbyIRENAtoverifythereliabilityofthematerialinthispublication.However,neitherIRENAnoranyofitsofficials,agents,dataorotherthird-partycontentprovidersprovidesawarrantyofanykind,eitherexpressedorimplied,andtheyacceptnoresponsibilityorliabilityforanyconsequenceofuseofthepublicationormaterialherein.TheinformationcontainedhereindoesnotnecessarilyrepresenttheviewsofallMembersofIRENA.ThementionofspecificcompaniesorcertainprojectsorproductsdoesnotimplythattheyareendorsedorrecommendedbyIRENAinpreferencetoothersofasimilarnaturethatarenotmentioned.ThedesignationsemployedandthepresentationofmaterialhereindonotimplytheexpressionofanyopiniononthepartofIRENAconcerningthelegalstatusofanyregion,country,territory,cityorareaorofitsauthorities,orconcerningthedelimitationoffrontiersorboundaries.©IRENA2024Unlessotherwisestated,materialinthispublicationmaybefreelyused,shared,copied,reproduced,printedand/orstored,providedthatappropriateacknowledgementisgivenofIRENAasthesourceandcopyrightholder.Materialinthispublicationthatisattributedtothirdpartiesmaybesubjecttoseparatetermsofuseandrestrictions,andappropriatepermissionsfromthesethirdpartiesmayneedtobesecuredbeforeanyuseofsuchmaterial.ISBN:978-92-9260-623-7Citation:IRENA(2024),SustainableaviationfuelsinSoutheastAsia:Aregionalperspectiveonbio-basedsolutions,InternationalRenewableEnergyAgency,AbuDhabi.AboutIRENATheInternationalRenewableEnergyAgency(IRENA)isanintergovernmentalorganisationthatsupportscountriesintheirtransitiontoasustainableenergyfuture,andservesastheprincipalplatformforinternationalco-operation,acentreofexcellence,andarepositoryofpolicy,technology,resourceandfinancialknowledgeonrenewableenergy.IRENApromotesthewidespreadadoptionandsustainableuseofallformsofrenewableenergy,includingbioenergy,geothermal,hydropower,ocean,solarandwindenergy,inthepursuitofsustainabledevelopment,energyaccess,energysecurityandlow-carboneconomicgrowthandprosperity.AcknowledgementsThisreportwasdevelopedundertheguidanceofRolandRoesch(Director,IRENAInnovationandTechnologyCentre)andRicardoGorini.ItwasauthoredbyChunShengGoh,RicardoGorini(IRENA),KanErnLiew,ZoeTayHuiYee,ArunchelviManie,LongLitChewandFarahEzatiSaindi(Consultants).ThereportbenefitedfromthereviewsandinputsofIRENAcolleaguesMaisarahAbdulKadir,CarlosRuiz,JinleiFengandPaulKomor.ThereportalsobenefitedfromthevaluablereviewsandcontributionsofstakeholdersandexpertsfromIndonesia’sDirectorateGeneralofNewRenewableEnergyandEnergyConservationIndonesia,Malaysia’sMinistryofEnergyTransitionandWaterTransformation,Philippines’DepartmentofEnergy,Thailand’sDepartmentofAlternativeEnergyDevelopmentandEfficiency,andASEANCentreforEnergy.IRENAwouldliketothanktheGovernmentofJapanforsupportingIRENAwiththeworkthatformedthebasisofthisreport.PublicationssupportwasprovidedbyFrancisFieldandStephanieClarke.ThereportwaseditedbyStefanieDurbin,withdesignprovidedbyPhoenixDesignAid.Forfurtherinformationortoprovidefeedback:publications@irena.org|3AREGIONALPERSPECTIVEONBIO-BASEDSOLUTIONSCONTENTSABBREVIATIONS.....................................................................................................................5KEYFINDINGS.............................