China is the world's largest manufacturer of not only solar panels but also wind turbines.
Standard commercial solar panels have a lifespan of 20+years.
Coal is still the mostly used fuel to generate electricity on worldwide scale.
Approximately 40% of the world electricity production comes from coal.
According to the study by the Michigan State University it is 36 percent more efficient
Tuesday, October 9, 2012
General energy facts – Part 01
2:18 PM
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