20 Gas Tank Refills, or an Electric Bike?
March 23rd, 2012 | by Zachary Shahan
Personally, while I think electric bikes are pretty cool, I would just go with a normal bike in most situations.
Browsing the "kalkhoff" Tag
7 Cleantech Consumer Products
November 25th, 2011 | by Zachary Shahan
I scroll through thousands of articles on dozens of sites so that you don’t have to 1. Solar-Powered, Energy-Efficient Homes
Masdar CleanTech Competition
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