| Typicality: | 0.531 |
| Saliency: | 0.583 |
| to renewable energy | 8 | transitive-object |
| often | 5 | temporal |
| to environmentalists | 3 | transitive-object |
| natural gas → be → a bridge fuel | 22 |
| natural gas → act as → a bridge fuel | 4 |
| natural gas → be touted as → a bridge fuel | 3 |
| natural gas → be referred as → a bridge fuel | 3 |
| natural gas → be → the bridge fuel | 3 |
| negative | neutral | positive |
| 0.226 | 0.569 | 0.205 |
| Raw frequency | 35 |
| Normalized frequency | 0.583 |
| Modifier score | 0.600 |
| Perplexity | 17.964 |