Writing

Explainers, teardowns, and myth-busting on waste management systems and green engineering.

TeardownSeptember 20, 2026

BASF's ecovio Is Certified Home-Compostable. Two Data Sets Are Missing

A PBAT and PLA blend with TUV OK Compost Home certification. The disintegration is tested. The barrier performance and the microplastic question are not.

TeardownSeptember 14, 2026

Coway's Microbial Food Waste Disposer: 0.7 kg a Day and One Unverified Number

Coway has launched a kitchen unit that digests food scraps with microbes cultured from doenjang rather than grinding and drying them. The mechanism is genuinely different. The throughput ceiling and the missing data are the story.

Teardown posts

BASF's ecovio Is Certified Home-Compostable. Two Data Sets Are Missing

Coway's Microbial Food Waste Disposer: 0.7 kg a Day and One Unverified Number