Quick Answer
FUEL TECH, INC. reported R&D Expense of $2.01 million for fiscal year 2025.
FUEL TECH, INC. R&D Expense — Annual History
| Fiscal Year | R&D Expense | YoY Change |
|---|---|---|
| 2025 | $2.01M | +28.8% |
| 2024 | $1.56M | +3.5% |
| 2023 | $1.51M | +68.8% |
| 2022 | $895.0K | -32.8% |
| 2021 | $1.33M | +13.2% |
| 2020 | $1.18M | +4.4% |
| 2019 | $1.13M | +5.0% |
| 2018 | $1.07M | +0.3% |
| 2017 | $1.07M | -38.9% |
| 2016 | $1.75M | +21.1% |
| 2015 | $1.45M | -0.8% |
| 2014 | $1.46M | -40.3% |
| 2013 | $2.44M | -14.7% |
| 2012 | $2.86M | +94.2% |
| 2011 | $1.47M | +55.5% |
| 2010 | $948.0K | +74.9% |
| 2009 | $542.0K | — |
Quarterly R&D Expense
| Quarter Ending | R&D Expense | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | $450.0K | +24.7% | -8.2% |
| June 30, 2025 | $490.0K | +16.1% | -14.0% |
| March 31, 2025 | $570.0K | +51.6% | +57.9% |
| September 30, 2024 | $361.0K | -29.6% | -14.5% |
| June 30, 2024 | $422.0K | +2.2% | +12.2% |
| March 31, 2024 | $376.0K | +72.5% | -26.7% |
| September 30, 2023 | $513.0K | +147.8% | +24.2% |
| June 30, 2023 | $413.0K | +42.9% | +89.4% |
- FUEL TECH, INC. showed an increase of +28.8% in R&D Expense compared to the prior fiscal year.
- Over the 2009–2025 period, FUEL TECH, INC.’s r&d expense has grown by 271.6% (from $542.0 thousand to $2.01 million).
- The most recent figure is from FUEL TECH, INC.’s fiscal year 2025 report (Form 10-K), filed with the SEC on March 3, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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