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 ...

For times when a portable battery pack and solar charger won’t do, the power of the wind could be the way to charge your smartphone. École Cantonale d’Art Lausanne design student Nils Ferber has ...

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 ...