| much | 21 | degree |
| compared to conventional vehicles | 9 | other |
| in size | 8 | other |
| engine → be → smaller | 159 |
| engine → be → shorter | 16 |
| engine → be built → smaller | 3 |
| negative | neutral | positive |
| 0.116 | 0.522 | 0.362 |
| Raw frequency | 178 |
| Normalized frequency | 0.660 |
| Modifier score | 0.750 |
| Perplexity | 260.337 |