Other research is being carried out in reduction of from flue gas using regenerable reagents. This research is working toward making an economic solution to retrofit existing stacks on power plants to reduce emissions of carbon dioxide, one of the products of a combustion reaction and regarded as a pollutant thought to be a cause to Global Warming. This project is also supported by the Department of Energy and Research Triangle Institute in North Carolina and can be utilized in completion of the Vision 21 project. He was also published in the International Journal of Environmental Technology and Management 2004 – Vol. 4 for his work in this area.