You Can Ride a Poop-Powered Bus in the UK
Alternative fuels are all the rage these days, and now even your poop can be turned into fuel. Yes, your poop! This theory is being put to the test by a bus in Britain called the Bio-bus which runs on biomethane gas produced from a combination of human waste and food waste. The bus has just started making regular runs between the city of Bath and Bristol airport so it's not just a concept, but an actual working vehicle. The fuel is made by first treating the human waste and then combining it with food that's not fit for human consumption to create the biomethane gas. RELATED: See The Bio-Fuel Capable 2010 Bentley Continental Supersports
The gas is stored in dome-shaped tanks on the roof of the bus and then used to power a combustion engine similar to what's found in diesel buses. It's made by using anaerobic bacteria to break everything down into methane-rich gas. The resulting gas is altered a bit by removing CO2 and other impurities and then adding propane.
Removing those impurities means it's virtually odorless and produces fewer emissions than traditional diesel engines. It's also more sustainable with one person's annual sewage producing enough fuel to power the bus for 37 miles. They're also injecting this fuel into the national gas grid network, so even your house may be powered with poop. What an age to be alive.
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