Aunty Entity: We call it Underworld. That's where Bartertown gets its energy.
Max: What, oil? Natural gas?
Aunty Entity: Pigs.
Max: You mean pigs like those?
Aunty Entity: That's right.
Max: Bullshit!
Aunty Entity: No. Pig shit.
Max: What?
The Collector: Pig shit. The lights, the motors, the vehicles, all run by a high-powered gas called methane. And methane cometh from pig shit.
Power prices puts piggery on the path to poo power
A Victorian piggery operator is using animal effluent to save in energy costs.