Fuel Tech reported third-quarter 2026 revenues of $8.7 million, a 16% increase from the prior year period, driven by higher backlog and progress on existing contracts in its Air Pollution Control segment. The company posted a net loss of $(267,000), or $(0.01) per share, compared to a net income of $303,000 in the same quarter last year. Adjusted EBITDA turned negative at $(249,000) versus positive $228,000 previously, as gross margin declined to 45% from 49%. APC segment backlog grew to $16.6 million, excluding recently awarded contracts valued at $3.3 million. The company maintains a strong balance sheet with no debt and approximately $27.8 million in cash and investments. Fuel Tech develops and commercializes proprietary technologies for air pollution control, process optimization, water treatment, and advanced engineering services.