The asphalt road of summer becomes a high temperature.

The asphalt road of summer considerably becomes a high temperature. When the pipe is pulled here and water is passed, it becomes a high temperature. Cannot the temperatures fluctuate power generation be done between the underground water of the low temperature?
When the road can be used, it becomes a wide area as a whole.

July 18, 2008 10:57 PM by Joung(Korea)