The story below shows how the internet is helping us to share cars, reduce traffic congestion and CO2 emissions, but what if the fuel to power those cars then came from human waste? Wouldn’t that be pretty close to guilt-free motoring? In a new trial, Wessex Water at Avonmouth Docks near Bristol is using the methane produced as a by-product of one of the biggest sewage treatment works in the UK to power its fleet of over 400 vehicles.
The methane is stored in tanks in the boot of the car and runs a petrol engine that has been converted to run on liquid petroleum gas but which can use methane ...
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