Workshops can sell used gear oil and transmission fluid separately from engine oil. Specs, contamination traps, and BioTradX listings.
Why segregation pays
Additives and viscosity differ. Mixed 'black oil' is a low grade. Separate drums are a one-time habit change.
Who generates volume
Dealership gearboxes, commercial-vehicle workshops, and industrial gearboxes. Dealership groups that already recycle engine oil (see Globe Toyota coverage on {PRESS}) can add gear oil next.
Listing fields
Type (gear vs ATF), litres per month, city, and whether it is from passenger or CV pits.
Compliance
Still used lubricating oil under hazardous-waste practice. Same authorised-recycler rule as engine oil.