Last year, Fuel Tech Inc generated 5.42M USD for its biggest-performing segment, Technology solutions. The United States made the largest contribution, accounting for 21.02M USD last year. For the latest quarter, Fuel Tech Inc reported the revenue of 2.08M USD for the period ending 2026-06-30, which came from the top-performing segment, Technology solutions. United States contributed the highest revenue, at 5.90M USD.