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Environment & Energy

hunter

(40,506 posts)

7. And then there is human power...

Reply to OKIsItJustMe (Original post)

Sun Jan 29, 2012, 11:30 AM

Jan 2012

In 1997, in San Andrés Itzapa in Guatemala, Maya Pedal Association began recycling scraps of bicycles into Bicimáquinas.

Bicimáquinas are pedal-powered blenders, washing machines and threshing machines, eliminating the need for fuel and electricity. Pumps are also possible, and are capable of extracting 30 liters of water per minute from 30-meter deep wells (electronic pumps reach just to 12 meters).

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In the Developing World, Solar Is Cheaper than Fossil Fuels [View all] OKIsItJustMe Jan 2012 OP

Storage is the issue now, and going forward. nt DCKit Jan 2012 #1

I'm hearing talk of a world wide grid. Gregorian Jan 2012 #3

WWG, for sure, but we either need storage, or overproduction, now. DCKit Jan 2012 #4

The rechargeable batteries these systems use are a beastly problem. hunter Jan 2012 #2

Waves and tides don't end when the sun goes down. DCKit Jan 2012 #5

There's a point where it's simply not worth building a network. hunter Jan 2012 #6

And then there is human power... hunter Jan 2012 #7