Contractor Cormac is trialling road maintenance machinery powered with manure from Cornish cows.
The equipment, fuelled by biomethane, is carrying out road repairs for Cornwall County Council.
Cormac, an arm’s length management organisation wholly owned by the local authority, is working with local clean energy company Bennamann on the pilot, which has involved converting one of its road surfacing machines to run on the alternative fuel source.
Biomethane is a naturally occurring gas that is produced when organic matter such as plants, manure, sewage and food breaks down. Methane is typically a harmful greenhouse gas that contributes towards global warming, however by capturing it from the material before it is emitted to the atmosphere, it can be used as a renewable fuel instead.
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