| during the lifetime of the vehicle | 6 | temporal |
| further | 4 | manner |
| probably | 2 | degree |
| engine → save → fuel | 60 |
| engine → conserve → fuel | 15 |
| engine → save on → fuel | 8 |
| engine → save → gas | 4 |
| negative | neutral | positive |
| 0.059 | 0.522 | 0.419 |
| Raw frequency | 87 |
| Normalized frequency | 0.544 |
| Modifier score | 0.500 |
| Perplexity | 387.022 |