| Typicality: | 0.674 |
| Saliency: | 0.717 |
| in the pem fuel cell system | 19 | location |
| in a modified internal combustion engine | 11 | other |
| with the potential | 11 | other |
| hydrogen → be used as → fuel | 103 |
| hydrogen → be used as → the fuel | 11 |
| hydrogen → be used for → fuel | 8 |
| hydrogen → be used as → a fuel source | 7 |
| hydrogen → use as → fuel | 6 |
| hydrogen → be provided as → fuel | 4 |
| hydrogen → be supplied as → fuel | 3 |
| negative | neutral | positive |
| 0.095 | 0.741 | 0.164 |
| Raw frequency | 142 |
| Normalized frequency | 0.717 |
| Modifier score | 0.863 |
| Perplexity | 9.265 |