A gym in County Durham has become the first in the country to produce electricity from its members' workouts.
The leisure centre in Willington has invested in ten new exercise machines, which harness energy as they are used.
It is hoped that the machines could save enough electricity to pay to light the whole leisure centre.
You can watch the full report from Lucy Taylor below.
More top news
The pair defrauded Durham County Council out of nearly £100,000 but were given suspended sentences.
Gascoigne is alleged to have sent abusive tweets, text messages and telephone calls to Amanda Thomas in March this year.
The Black Cats are attempting to find their seventh permanent boss since the Irishman's departure.