At the end of a week devoted to spreading an environmentally friendly message, the Prince of Wales has hosted an electric eco-car spectacular in central London.
Enthusiasts and celebrities turned out for the showcase of green transport options.
On show for the Prince were a variety of electric-powered vehicles including a racing car.
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He also spoke with school children about the importance of recycling everyday items and the virtues of trying to live more sustainable and energy-efficient lives.
The Prince was then shown the world's first hybrid car - the Lanchester Petrol-Electric Mark 7 Prototype - which was build in 1926.
A host of famous names, including former racing driver Sir Stirling Moss and Dame Ellen MacArthur, drove a parade of green vehicles along The Mall to promote the eco-cars.
The journey by electric car cost £2 ($3.30) - £2.50 ($4.10) compared with around £13.67 ($22.60) for a similar vehicle.
