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
A look ahead at the forecast for the Border region.
As shoppers gear up for one of the biggest challenges in the bargain hunter's calender, Ashleigh Swan shares her top Black Friday tips.
This autumn is on course to become the third mildest on record.