That's a great question! Yes, there definitely are urban trash cans designed with integrated liner systems, and they're becoming more common in cities aiming for cleaner and more efficient waste management. The classic example is the "automatic liner dispenser" type. You've likely seen them: as the crew removes the full bag, a new, clean liner is automatically fed into place from a cartridge or roll housed inside the can's shell. This dramatically speeds up servicing.
Beyond that, the concept of a "liner system" is evolving. Some modern "smart" solar-compacting bins technically use a proprietary liner or container that gets swapped out as a unit. Other advanced designs feature sealed inner buckets that act as permanent, washable liners, reducing plastic bag use altogether.
So, while the standard open wire bin is still around, many municipalities are now opting for these liner-equipped models. The main benefits are clear: faster, cleaner collection for workers, reduced litter from torn bags, and often a more hygienic public amenity. They represent a solid step up in basic urban infrastructure.