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DCL

Many utility companies are starting to use renewable energy such as wind, solar and geothermal. That means that for some of us, the energy coming from our walls is renewable. But for most of us, the electricity we get from our outlets to charge our gadgets is still based on fossil fuels. Luckily, there is a growing number of ways we can charge our gadgets without plugging in to the wall at all. Here are a few ideas: