| very | 6 | degree |
| to the establishment of mechanism | 6 | transitive-object |
| for improving fuel consumption | 3 | purpose |
| reduction → be → essential | 14 |
| reduction → be → important | 14 |
| negative | neutral | positive |
| 0.118 | 0.539 | 0.343 |
| Raw frequency | 28 |
| Normalized frequency | 0.694 |
| Modifier score | 0.500 |
| Perplexity | 338.659 |