Clean Energy Fuels Corp (CLNE) — Free Cash Flow Generation Index
Clean Energy Fuels Corp (CLNE) has a Free Cash Flow Generation Index of 0.50x as of December 2025. Free cash flow of $6.50 Million represents 0% of operating cash flow ($13.11 Million). See Clean Energy Fuels Corp short-term liquidity ratio to evaluate short-term liquidity relative to the company's equity base.
FCF Generation Index
Free Cash Flow
Operating Cash Flow
Capital Expenditures
Clean Energy Fuels Corp Free Cash Flow Generation Index (2005–2025)
Historical FCF Generation Index trend for Clean Energy Fuels Corp across 12 annual periods. Explore Clean Energy Fuels Corp debt service capacity to assess how comfortably operating cash covers total debt obligations.
Annual Free Cash Flow Generation for Clean Energy Fuels Corp (2005–2025)
Year-by-year Free Cash Flow Generation Index for Clean Energy Fuels Corp. For the full company profile including market capitalisation, see CLNE market cap overview.
| Year | FCG Index | Free Cash Flow (USD) | Operating CF | Capital Expenditures | YoY Change |
|---|---|---|---|---|---|
| 2025 | 0.70x | $59.85 Million | $85.53 Million | $25.68 Million | ▲ +10911.0% |
| 2024 | -0.01x | $-418.00K | $64.58 Million | $65.00 Million | ▲ +99.6% |
| 2023 | -1.77x | $-77.50 Million | $43.78 Million | $121.28 Million | ▼ -993.2% |
| 2022 | 0.20x | $13.23 Million | $66.73 Million | $53.50 Million | ▼ -33.9% |
| 2021 | 0.30x | $12.39 Million | $41.30 Million | $28.91 Million | ▼ -61.7% |
| 2020 | 0.78x | $47.77 Million | $61.04 Million | $13.27 Million | ▲ +164.9% |
| 2019 | -1.21x | $-14.81 Million | $12.28 Million | $27.09 Million | ▼ -460.2% |
| 2018 | 0.33x | $12.72 Million | $37.98 Million | $25.26 Million | ▼ -31.2% |
| 2016 | 0.49x | $22.42 Million | $46.06 Million | $23.64 Million | ▲ +137.5% |
| 2009 | -1.30x | $-17.23 Million | $13.27 Million | $30.50 Million | ▲ +81.7% |
| 2007 | -7.09x | $-50.32 Million | $7.10 Million | $57.42 Million | ▼ -1915.9% |
| 2005 | 0.39x | $14.29 Million | $36.61 Million | $22.32 Million | — |