Renewable energy is gaining increasing importance in today’s world. In addition to the rising costs of fossil fuels and and the threat of climate change, there have been a lot of positive developments in this field including improved fuel efficiency and reduced prices. Sunlight, geothermal energy and wind are examples of renewable energy. These energy sources are inexhaustible and constantly replenished. Renewable energy plays an important role in reducing greenhouse gas emissions. Also, the demand for fossil fuels goes down when renewable energy products are used.