| more fuel | 8 | other |
| per the parameters of the vehicle | 5 | other |
| incredibly | 3 | degree |
| vehicle → be → efficient | 11 |
| vehicle → become → more efficient | 6 |
| vehicle → become → efficient | 5 |
| vehicle → be → more efficient | 4 |
| negative | neutral | positive |
| 0.088 | 0.371 | 0.541 |
| Raw frequency | 26 |
| Normalized frequency | 0.410 |
| Modifier score | 0.900 |
| Perplexity | 65.115 |