Direct and far-reaching are the advantages of FGD for thermal power plants. Firstly, it is a major reduction in the amount of sulfur dioxide emitted; this gas causes not only acid rain, but also bronchial diseases. Building on what has been said above, secondly, by reducing pollutants in the air it helps to promote better quality and public health. Nor is an FGD system too inefficient at times when environmental regulations most require compliance; thus power plants can avoid penalties and shutdowns. At the same time, the scheme benefits a company's appearance-increasingly important worldwide with aspect of environmental stewardship. An investment in an FGD system not only improves company image from a compliance standpoint, but it also adds value by promoting harmony between industry and nature and health for all of society.