d. Solar Vehicle


University of Engineering and Technology Lahore; Lahore, Pakistan
2011, 1 min 50 sec

Inventor Jim Meaney converts pop cans into powerful solar heating panels. He reuses aluminum cans as core heating elements in solar panels. The unit is virtually maintenance free: you need no fuel and no insurance for parts. It’s a lifetime supply of free heat that pays for itself in 3 to 5 years using recycled soda cans.