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Unformatted text preview: up the majority of Ethanol. As beneficial as using renewable energy sources is, there are some challenges. First, there is a lot of maintenance required for these sources. Also, the costs of repairs are high. The production of solar panels is scarce and hard to come by. A resource that should be in the video is an important one; water is a great renewable resource. Hydroelectric plants can be used with the water to move a variety of engines to create energy. One of the main issues involved with using non renewable resources is we will eventually run out, maybe not right away but it will happen. It is hard to predict when these resources will run out and to prepare for resources that will expire....
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- Spring '09