classic33
Leg End Member
It was powered, the scheme got scrapped when the power generated started going into the national grid.This is the TRUE factoids thread
The bus is not, of course, powered directly by human excrement, but is actually powered by methane collected by a sewage treatment works.
https://cosmosmagazine.com/people/society/britains-poo-bus-takes-over-route-number-two/
https://www.theguardian.com/uk-news/2015/mar/15/uk-first-poo-bio-bus-bristol-regular-service