| Similarity | Rank | |
|---|---|---|
| CO2 | 0.955 | 9992 |
| dioxide | 0.833 | 10273 |
| Dioxide | 0.806 | 69551 |
| co2 | 0.788 | 72066 |
| emissions | 0.783 | 4569 |
| SO2 | 0.780 | 90224 |
| gases | 0.774 | 11662 |
| NOx | 0.767 | 55787 |
| carbon | 0.763 | 3087 |
| gasses | 0.762 | 45276 |
| Nitrogen | 0.740 | 45976 |
| nitrogen | 0.729 | 12237 |
| ozone | 0.719 | 18222 |
| methane | 0.713 | 19799 |
| GHG | 0.713 | 30079 |
| particulates | 0.709 | 55487 |
| particulate | 0.707 | 32316 |
| GHGs | 0.703 | 91201 |
| nitrous | 0.700 | 43783 |
| emission | 0.695 | 13146 |
| refrigerants | 0.694 | 92454 |
| Emissions | 0.692 | 37744 |
| greenhouse | 0.690 | 8346 |
| fuel | 0.687 | 1992 |
| tailpipe | 0.683 | 80378 |