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A Personal Turbine Makes Your Rooftop Into a Wind Farm

A Personal Turbine Makes Your Rooftop Into a Wind Farm

Testing the Goods: Horizon MiniPak Portable Fuel Cell Charger

Testing the Goods: Horizon MiniPak Portable Fuel Cell Charger

Portable Fuel Cells Charge Gadgets On the Go

Portable Fuel Cells Charge Gadgets On the Go

Human-Fueled Chargers

Human-Fueled Chargers

Timeline: Sun Power Gets Easier with New Lightweight Panels

Timeline: Sun Power Gets Easier with New Lightweight Panels