Fuel Tech, Inc. revenue for the last year amounted to 27.08 M USD, the most of which — 13.60 M USD — came from its highest performing source at the moment, FUEL CHEM, the year earlier bringing 16.34 M USD. The greatest contribution to the revenue figure was made by United States — last year it brought Fuel Tech, Inc. 21.06 M USD, and the year before that — 20.31 M USD.