| Typicality: | 0.543 |
| Saliency: | 0.307 |
| with low co2 and nox emissions | 2 | other |
| vessel → be equipped with → a diesel-electric propulsion system | 8 |
| vessel → be driven by → an electric propulsion system | 3 |
| vessel → be propelled by → gasoline, diesel and electric motors | 3 |
| negative | neutral | positive |
| 0.023 | 0.633 | 0.344 |
| Raw frequency | 14 |
| Normalized frequency | 0.307 |
| Modifier score | 1.000 |
| Perplexity | 11.591 |