Fuel Tech, Inc. (Fuel Tech) is an integrated company, which uses a range of advanced technologies to provide boiler optimization, improvement and air pollution reduction and control solutions to utility and industrial customers globally. The air pollution control (APC) technology segment reduces NOx emissions in flue gas from boilers, incinerators, furnaces and other stationary combustion sources by utilizing combustion optimization techniques and low NOx and ultra low NOx Burners; NOxOUT and high energy reagent technology (HERT) SNCR systems; systems that incorporate CASCADE, ULTRA and NOxOUT-SCR processes; and ammonia injection grid (AIG) and the graduated straightening grid (GSG) technologies. The FUEL CHEM technology segment improves status of combustion units by controlling slagging, fouling and corrosion.