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Unformatted text preview: The video talked about wind energy, solar energy, and the conversion of biomass (agricultural wastes) into fuels. Wind turbines are built to turn a natural resource into energy, the resource the wind turbine uses is wind. Another example of renewable energy is solar energy. Solar cells are created to trap the sunrays, to create solar energy. Some homeowners that have these solar panels are able to sell the electricity back to the electric companies. Companies have also created what is called a solar concentrator. This piece of equipment is built with many large mirrors, which focus the suns rays into narrow beams; this beam turns an engine and provides electricity. The conversion of biomass (agricultural wastes) into fuels is another source of renewable energy. Corn can be used to make ethanol. Many of farmers have been using different resources found on their farm to make fuel since the fuel crises of the 70s. They would use corn to make ethanol. Recently it has been discovered that the stocks and stubble 70s....
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- Winter '11