Ever wondered how else you can use recycled aluminum? Let me tell you Project dAlH2Orean, a project based on using recycled or “wasted” aluminium to power RC cars giving you 5-60HP! httpv://www.youtube.com/watch?v=nEooQgI7n7c You can find more about their project here: http://www.dalh2orean.com Thanks to Engadget for telling us about them ! http://www.engadget.com/2011/04/17/radio-control-car-runs-on-soda-can-rings-doc-brown-approves-vi/