A hybrid car which can be charged from a normal domestic electricity supply was launched earlier today.
The Toyota Plug-In-Hybrid-Vehicle is powered by a combination of a battery and a standard petrol engine.
On short journeys, the car uses electric power to reduce its greenhouse gas emissions.
Previous hybrid vehicles, such as the Toyota Prius could not be charged from the grid - the battery was charged as the car drove along.
Toyota believes the new development marks an important milestone in the move towards cleaner motor technology.
Initial tests on the vehicle will take place over the coming year, with 50 employees of the energy company EDF using the PHV for journeys in the Greater London area.