Sometime on Tue, Sep 05, 2006 at 06:07:08AM -0700, Abhishek Daga said:
Use foot power. Place something similar to a dynamo under some tiles on the sidewalk or on the road. As cars or people step on this, it will generate power which will be used to charge the battery.
Similarly, is it possible to harness the underground drain water to run a small watermill?
Underground drains needs to be cleaned before every monsoon. Would BMC really agree to install watermills??
Anurag