Indigenous Knowledge
60%Vietnam’s ethnic minority communities, particularly in the Central Highlands, have long practiced decentralized energy systems using biomass and hydropower for local agriculture and transport, offering models for reducing aviation fuel dependency. Traditional knowledge of fuel substitution (e.g., ethanol from cassava) remains underutilized despite Vietnam’s status as a global cassava exporter. Indigenous critiques of aviation expansion often highlight its role in displacing rural livelihoods for urban-centric mobility systems.