It is evaluated that even bustling streets can "see" the sky 70-90% of the time.
The sun powered PV boards are covered in smashed glass and tar to make them more strong.
Be that as it may, the cost of making the a large portion of a mile of "Wattway" was an expected four to six fold the amount of as covering the range with ordinary sun powered boards.
The organization plans to altogether decrease the cost later on.
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