| Similarity | Rank | |
|---|---|---|
| dioxide | 0.855 | 10273 |
| emissions | 0.823 | 4569 |
| CO2 | 0.814 | 9992 |
| carbon-based | 0.796 | 97409 |
| Carbon | 0.779 | 11846 |
| C02 | 0.763 | 94587 |
| gasses | 0.761 | 45276 |
| gases | 0.760 | 11662 |
| carbons | 0.759 | 94273 |
| oxides | 0.750 | 42880 |
| GHG | 0.740 | 30079 |
| co2 | 0.739 | 72066 |
| methane | 0.732 | 19799 |
| GHGs | 0.731 | 91201 |
| NOx | 0.726 | 55787 |
| Dioxide | 0.713 | 69551 |
| greenhouse | 0.713 | 8346 |
| nanotubes | 0.707 | 58295 |
| emission | 0.705 | 13146 |
| particulates | 0.704 | 55487 |
| low-carbon | 0.700 | 41607 |
| tailpipe | 0.688 | 80378 |
| fuel | 0.687 | 1992 |
| nitrogen | 0.685 | 12237 |
| monoxide | 0.684 | 23477 |