 WARRENVILLE, Ill.--BUSINESS WIRE--Fuel Tech, Inc. NASDAQ: FTEK, a technology company providing advanced engineering solutions for the optimization of combustion systems, emissions control, and water treatment in utility and industrial applications, today announced that it will issue its financial results for the fourth quarter and full year ended December 31, 2021 on Tuesday, March 8, 2022 after the close of the stock market. Management will host a conference call on Wednesday, March 9, 202 