Overview Financials News + Filings Key Docs Charts Ownership Insiders
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| In millions, except per share items | Dec-31-22 | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenues |
| Refined Coal | | | 44.4 | 86.1 | 69.3 | 63.5 | 51.7 | 19.6 |
| Emissions Control | | | | | | | 50.6 | 62.7 |
| Equipment sales | | | | | | 31.4 | | |
| |
| EBITDA |
| Refined Coal | | | 42.7 | 83.5 | 64.9 | 59.9 | 51.3 | 12.1 |
| Emissions Control | | | | | | | 7.3 | -7.6 |
| |
| EBIT |
| Refined Coal | | | 42.7 | 83.5 | 64.9 | 59.9 | 51.3 | 12.1 |
| Emissions Control | | | | | | | 7.3 | -7.6 |
| |
| Mix |
| Refined Coal | | | 65.9% | 122.8% | 289.6% | 140.0% | 102.1% | 31.3% |
| Emissions Control | | | | | | | 100.0% | 99.9% |
| Equipment sales | | | | | | 69.3% | | |
| |
| Growth |
| Refined Coal | | | -48.4% | 24.1% | 9.2% | 22.8% | 163.6% | -60.6% |
| Emissions Control | | | | | | | -19.2% | 285.6% |
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