The choice of reducing agent for the reduction of nitrogen oxides in lean combustion exhaust streams is critical to limit pollution. Hydrocarbons are ideal reducing agents because they are present in the exhaust stream of many applications, but reduction of nitrogen oxides is difficult to catalyze…

Air pollution is a serious global problem and has received a great deal of attention over the last few decades. Industrial plants and automobiles release a significant amount of pollution into the atmosphere, principally in the form of unburned or partially burned fossil fuels, carbon monoxide, ni…