London sewer fat - the next renewable fuel (2:27)

April 23 - Turning a menace - into a renewable energy source. Oil and fat which currently costs Thames Water in London millions to clear every year is being collected and used to power a new electricity plant. As
Joanna Partridge reports the project - the biggest of its kind in the world - is being seen as a model for other cities.

Read more at http://www.reuters.com/video/2013/04/23/london-sewer-fat-the-next-renewable-fuel?videoId=242420718&videoChannel=5