Placeholder. Of every market researched globally, only one has a real, operating program that turns used diapers into fuel — and it's not a wealthy Western country, it's Indonesia.
What we've found so far: Merries' 'Senyumkan Lingkungan' program partners with Kertabumi Recycling Center to convert diapers to renewable fuel via pyrolysis, expanded December 2025.
Open research: Find the actual throughput/scale numbers (tons processed, energy output); check if any Western or Japanese brand has quietly explored something similar and shelved it; interview Kertabumi directly.