| Similarity | Rank | |
|---|---|---|
| lpg | 0.890 | 44069 |
| ozone-damaging | 0.845 | 88642 |
| biofuel | 0.842 | 57289 |
| fossil-fuel | 0.842 | 76055 |
| electricity-generate | 0.839 | 61814 |
| ozone-benign | 0.838 | 99646 |
| oil-fired | 0.838 | 49906 |
| desulphurization | 0.836 | 76072 |
| octane | 0.836 | 43287 |
| rme | 0.836 | 69417 |
| desulphurisation | 0.835 | 48583 |
| energy-intensive | 0.835 | 59084 |
| feedstock | 0.835 | 29226 |
| so2 | 0.834 | 62009 |
| deep-mined | 0.834 | 81231 |
| hcfc | 0.827 | 89263 |
| btu | 0.827 | 51172 |
| petro-chemical | 0.823 | 78632 |
| gasification | 0.823 | 40725 |
| distillate | 0.821 | 78987 |
| mox | 0.821 | 53327 |
| bioga | 0.819 | 50706 |
| woodpulp | 0.816 | 89560 |
| bontang | 0.816 | 81325 |
| lean-burn | 0.815 | 82318 |