A reader pointed this out:
WPI (my alma mater) is looking into using pavement as a solar energy collection device. Turns out the road is an order of magnitude MORE efficient than photo voltaic cells.
In some countries like the Netherlands, heated water from heat exchangers in the road is already used to heat nearby buildings. They mention a more sophisticated approach might be to employ thermoelectric devices as mentioned below. The exchangers should easily last 10-12 years that pavement lasts.
We've got a LOT of pavement in town. Maybe we could look into volunteering for some research in upcoming pavement contracts (Yong Shing??). We'd have to figure out a good candidate - maybe one of the many vast asphalt jungle parking lots we have. If only we knew of someone who graduated from there who might be able to help ....
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