There are already plenty of solar-powered phone chargers out there, but they won't do you much good at night, when it's cloudy, or even if you live too far north. Chances are, however, that in any one ...

The Minnesota developers of a portable wind-power generator are now offering a larger version. Einar Agustsson, CEO and founder of Clarkfield-based Skajaquoda Group Inc., and Vice President Agust ...

If you need to keep your devices charged out and about, this might be the gadget for you. The Mini Kin Green Power Generator is a small wind generator with a rechargeable battery pack that you can ...

A social enterprise with stand-alone, solar-powered mobile device chargers for public spaces. Another one making compact, quiet rooftop wind generators. Those were the two winners of a recent pitch ...

Hit your parts bin and set aside an afternoon to build a wind turbine that recharges batteries. You can see two AA batteries hanging off the side of this small generator. You only need a few parts to ...

A solar charger or solar powered device is all fine and good if you live in an area where there is ample sunlight. If you live in an area with heavy tree or cloud cover most of the year, a solar ...