Honorable mention:
![](https://pbase.com/image/163951272/medium.jpg)
![](https://pbase.com/image/167363777/medium.jpg)
3rd Place
![](https://pbase.com/image/170430338/medium.jpg)
2nd
![](https://pbase.com/image/151872295/medium.jpg)
1st place
Air powered bicycle by Markus Grompe, great closeup showing the details. Never seen one of these and a fine example of Clean Energy Tech.
![](https://pbase.com/image/164492634/medium.jpg)
Board index ‹ PBase ‹ Show and Tell ‹ 610th Show & Tell Competition: Clean Energy Technology - WINNER
Board index ‹ PBase ‹ Show and Tell ‹ 610th Show & Tell Competition: Clean Energy Technology - WINNER
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