Coal as a fuel source is perhaps one of the oldest energy resources implemented by humans for sophisticated technology. However, when in use, the thermal decomposition of the coal releases gas emission that include sulphur, nitrogen, and carbon dioxide, all of which are major contributors to global warming and prototypical "Greenhouse" gasses. Alongside the hunt for alternative energy sources, research and developers in the field have put their energy towards cleaning up coal technology.
As the world pushes for ways to produce electricity with renewable resources, many companies continue to use coal and oil, in spite of their history of pollution. Being able to use new technologies to burn coal and oil and not send carbon dioxide, sulfur dioxide and other pollutants into the air, allows the cost of electricity generation to remain relatively low, when compared to power produced by renewable resources.
For decades, coal has been one of the primary supplies of electricity generation throughout the world. During the industrial revolution, coal was the most popular of the fossil fuels and brought many industries to life. Unfortunately, coal came with an increase of carbon dioxide in the air, acid rain and water pollution and prompted the government to issue demands for coal-fired power plants to clean up their act.