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Transforming a 300W Sinewave DC/AC mini inverter to a 5000W monster
Lawnmower Generator
HOW TO MEASURE YOUR ELECTRICITY USAGE AND CALCULATE THE COSTS
HOMEMADE WIND TURBINE ROTOR BLADES
Mini Bio-gas Plant Using Food Waste, Decomposable Organic Material and Kitchen Waste
Kite with Wind-Powered LEDs
Salvage Yard Solar
Poor-Mans Smart-Grid - Blackout Protection by UPS and Electric Motorcycle
Thermoelectric USB charger - off grid electricity.
100' Geodesic Dome for Aquaponics
My eco-friendly home
Turning Waste Into Cheap Energy (TWICE)
SQUARE FRUIT ENERGY: PROJECT LOTUS INSTRUCTABLES
Jack Daniels Competition- Renewable Energy
Energy saving window insulation
Gas Vapor Direct Injection
Home Fueling
Basic WVO system for anyone
outdoor wood boiler from junk
Thermoelectric Backpack Refrigerator
Thermal Solar
Power Tool USB Charger
DIY Solar panels for RV or off grid
The Electric Sailboat
70% more solar collection? Newest dripper tracker design to rotate solar panels on equatorial mount.
Cheap Solar 5 volt charger/ power supply
waverave, cheap wave power
12 Volt DC Solar power supply
Small-scale wave-power - free energy from the beach!
How To Make a Thermal Insulated Vacuum Tube PVC PIPE CPVC PIPE
BLUEBOX portable generator
vintage tilt piston compressor to steam
Powering a NXT Lego robot with a cheap drill battery / accumulator
Modifying Flat-Topped Li-ion Cells to Fit Into Battery Holders
how to make a strong genorator
Dual Stator Smart Drive Wind Turbine (Tutorial)
DIY Battery Pack
Easy solar lamp
DIY Chlorine Battery
120V LED bulb on 12VDC, 190MA. The hack
Smart Drive Wind Turbine
WIND AND SOLAR BATTERY CHARGER MADE FROM RECYCLED PARTS
2 Cycle Gas to Steam Conversion Kit
Micro solar power system
Vortex power plant : demo and solar panel direct drives bilge Pump (No Battery!)
Step-n-Start - a Motor Pull-Starting Assist for Those That Need a Little Help
Use Stellarium (software) to aim solar cookers.
Small Wind Generator - Rebulid, Relocate and Replace
A 1*1*1 foot Evaporative Cooler (Swamp Cooler)
Five minute solar phone charger
Get Six 1.5V Cells from One 9V Battery
Make Sugar-Based Alcohol/ Ethanol
Cheap & Easy Solar Shield
Repairing Solar Cells
Repairing Solar Cells
Make Wood Gas/ Wood Alcohol
DIY Wind-Powered Water Pump
How to make a pocket sized camping stove (for backpacking/camping)
Alligator Leads With Integral Fuse Holders for Safe Connections to Lead Acid Batteries
Hot Plate Mark II (Art Deco style), or "how to dial it back a notch after we overcooked it pushing the envelope to far"
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