The 'Ti Toilet' project – 'ti' means 'her' in the local Marathi language – has 12 mobile washrooms, on average used by more 200 women daily. The buses are powered by solar panels mounted on top of the vehicle.

Full story: https://www.rappler.com/world/regions/south-central-asia/252434-washroom-on-wheels-india-firm-turns-buses-into-women-toilets