How's this for a good idea

It's good to see that people are really starting to think laterally about maintaining our levels of power usage but with renewable sources

British engineers are converting street vibrations into electricity and predict a working prototype by Christmas capable of powering facility lights in the busiest areas of a city.
'We can harvest between 5 to 7 watts of energy per footstep that is currently being wasted into the ground,' says Claire Price, director of The Facility Architects, the British firm heading up the Pacesetters Project. 'And a passing train can generate very useful energy to run signaling or to power lights.