Solar and Wind Powered StreetLights In Tokyo

We just wrote about the new LED streelights in Ann Arbor. Now we find these self-contained streetlights that generate 100% of their power from the sun and the wind. During the day, solar power is stored in a battery at the base of the light pole. At night, they illuminate while continuing to generate power […]

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Optimal Green Instruction From Allison Rogers

  Recently, I was lucky enough to meet Allison Rogers, who is now working with the House of Representatives to Green the Capitol.  Allison shared some of her optimal green techniques and  knowledge with me. I am currently documenting some of her activities on TreeHugger. Later, she surprised me with an unusual but efficient organic […]

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Yamaha’s $2000 Electric Bike

This compact electric bike, the EC-02 from Yamaha, costs just under $2000. First introduced in Japan two years ago, the EC-02 is similar to the Enertia motorcycle I wrote about recently in TreeHugger. But this scooter has more modest specs: a top speed of 18 MPH and a range of 40 miles. So it’s more […]

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Using Magnetic Levitation In Wind Turbines

Today, I wrote a post for TreeHugger about a company that is proposing to build a colossal magnetic levitation wind turbine. Magnetic levitation (or maglev) is an interesting technology that has been around for a while.

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