Utility networks, such as for electricity, gas, water, and sewage, work the same way.

FORBES: The Weird Economics of Utility Networks

Just getting the sewage system to work could be a problem.

NEWYORKER: The Hot Spotters

The first phase of work will bring new sewage treatment plants to Glen Mona, Dalby, Maughold Village, Port Lewaigue, Glen Maye and Corony.

BBC: Isle of Man sewage development to cost millions

The land rovers are powered by cooking oil, and the sewage system uses bacteria to do the dirty work.

FORBES: Lifestyle Feature