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). Read CLNE current and long-term liabilities for a breakdown of total debt and financial obligations.
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 CLNE capital expenditure intensity to see what proportion of operating cash flow is directed to capital expenditures.
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 company net worth.
| 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 | — |