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DIY hand-powered water pump generator | Build a mini pump & light LEDs with recycled materials!

Discover how to build a hand-powered water pump that also generates electricity to light up LEDs using everyday recycled ...
The Business Journals

Mass Megawatts sells first wind-powered prairie pump system

Colorado is turning out to be a good market for Mass Megawatts Wind Power Inc. which reported the delivery of its first wind-powered water pump system in that state, following a report this spring of ...