Video of Eco technology expo in Tokyo from December 2008.
Eco Product #1: Water heating boiler fueled by old newspapers.
Eco Product#2: Plant watering system that uses recycled plastic bottles.
Eco Product #3: Thin solar panel that only needs reflected/indirect light to power small devices.
Eco Product #4: Hand crank operated that uses absolutely no water.
via Japan Probe
Learn How to Make Your Own Solar Panels
Convert Your Car to a Electric Vehicle
