| Typicality: | 0.337 |
| Saliency: | 0.410 |
| in laboratory testing | 9 | location |
| at source | 2 | location |
| combustion → reduce → harmful emissions | 9 |
| combustion → reduce → emission | 5 |
| negative | neutral | positive |
| 0.014 | 0.253 | 0.733 |
| Raw frequency | 14 |
| Normalized frequency | 0.410 |
| Modifier score | 0.500 |
| Perplexity | 207.353 |