Add Yahoo as a preferred source to see more of our stories on Google. Purge the air from the fuel tank. In an area with good ventilation, turn your refillable butane lighter in an upside-down position ...

Lilliputian Systems, an MIT spinoff, has launched a USB battery charger powered by a miniaturized butane fuel cell, which will be able recharge most mobile phones about ten times, or a laptop battery ...

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