South East ambulances to have speed controls
Speed control devices are to be installed in ambulances in a bid to to keep down fuel costs and reduce emissions.
South East Coast Ambulance Service said vehicles' speed would be restricted when it was not an emergency.
The trust said a trial in Chertsey, Surrey, had suggested the move could reduce fuel usage by 10%.
It said it would be rolled out across Kent, Sussex and Surrey in the coming months.
A spokesman said vehicles not responding to an emergency would be restricted to 62mph.