A council has developed a scheme aimed at encouraging contractors to report carbon emissions while carrying out roadworks.
Last year Devon County Council said it was changing the way it fixed roads to use less carbon as it tried to be net zero by 2030.
Now it has made an IT system, with the University of Exeter, so contractors can report emissions from each job.
It is hoped the transparency will help to make greener decisions.
Victoria Walsh, from Devon County Council, said: “We are trying to measure our carbon emissions through our supply chain, so for our contractors who undertake our work.

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