Poo power – Five projects that turn sewage into fuel

Excrement is powering projects all over the world. Here are a few of the most interesting ones.

Global News

Everybody poops. The average person produces between 100 and 250 grams of excrement per day, according to the Encyclopedia Britannica. But are we flushing a potential energy source down the toilet every day? Maybe.

Excrement is powering projects all over the world. Here are a few of the most interesting ones.

Bristol’s “Bio-Bus”

The Bio-Bus, which made its first trip on Thursday, is powered by gas generated through sewage treatment and food waste. It took passengers from the UK’s Bristol Airport to the city of Bath.

According to George Keast, spokesperson for Wessex Water, the company behind the project, a tank of biomethane costs less than half what a full tank of diesel would, and the bus can travel up to 300 km on a full tank. It also produces 97 per cent less exhaust than a diesel bus, he says, and has a lower carbon footprint.

And, he says…

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