UK’s first bio-fuelled bus online between Bristol & Bath

The UK’s first bio-fuelled bus is now running between Bristol airport and Bath.

The 40 seat bus is operated by ‘Bath Bus Company’ and runs on Biomethane which is generated in a nearby plant by from food and sewage waste.


The route carries 10,000 people per month and the weekly food and sewage waste of one person can power the bus for 1 km.

The bus’ engine works on the same principle and a similar design to traditional diesel engines. The technology is widely used throughout the world and in fact bi-fuels account for 2.7% of the world’s transport fuels.

The gas is generated through anaerobic digestion – bacteria breaks down the food and sewage waste which produces the biomethane.

For more information click here

Written by TreeThinker

Passionate about the Earth and those who inhabit it. An engineer (BEng (Hons), MSEE) from Oxfordshire, UK, specialising in designing for a sustainable future. A member of the Society of Environmental Engineers and a keen environmental advocate who volunteers for several grass roots sustainability groups. I work full time as a project manager for a renewable energy company based in Oxford and also run ‘TreeThinker’ (; converting previous pasture land into a rich permaculture farm growing produce for sale locally. I deliver workshops on sustainable living, including building renewable energy technologies, as well as workshops for schools discussing 'Energy as a resource' amongst other topics. I am qualified in ‘Information, advice and guidance’ (level 4) and experienced at teaching practical skills. I'm also a keen cyclist and have a love of wordplay - writing a blog on etymology (

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