2. agricultural productivity Have a higher value and more useful in different aspects, such as sampalang, which has depressed prices, it can be taken as raw material in the production of ethanol? As an ingredient in making oil, gas, alcohol solutions. 3. the environment, reducing the pollution caused by the use of fuels from petroleum, such as air pollution. Major reasons causing the second world warming up. 4. the utility is encouraging community or privately can use renewable energy. Recreational facilities such as a private or a community to produce electricity from solar energy. Power from the waterfall.
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