WARRENVILLE, Ill.--(BUSINESS WIRE)--Fuel Tech, Inc. (NASDAQ:FTEK), a world leader in advanced engineering solutions for the optimization of combustion systems and emissions control in utility and industrial applications, today reported financial results for the second quarter ("Q2") ended June 30, 2015. Q2 2015 Results Overview Consolidated revenues for Q2 2015 were $18.7 million as compared to $20.2 million in Q2 2014. This decline reflected slower U.S. and foreign activity within our Air Poll