In my neighborhood, I often see parcel delivery trucks from 5 different transport companies wasting energy to drive to the same homes on the same day.

This is unregulated capitalism.

Then comes trash day, and 1 company arrives with 1 garbage truck and empties all the trash cans in 1 go.

This is regulated capitalism.

The municipality decided only 1 company could win the garbage truck service job. They offer up the job every couple of years, 1 company wins, and we all save CO2 emissions.

@randahl - In my town, Vancouver, even garbage collection is unregulated, resulting in a dozen large trucks driving through the neighbourhood every day making one or two pickups. Super-inefficient, climate unfriendly, and annoyingly noisy. Capitalism at its worst.
@mike_vlasman must be really bad for traffic too. In my city, just the one garbage truck is a bit in the way in the morning, so I would imagine multiple trucks would be quite annoying.