| Similarity | Rank | |
|---|---|---|
| GHG | 0.922 | 30079 |
| GHGs | 0.889 | 91201 |
| emission | 0.863 | 13146 |
| NOx | 0.861 | 55787 |
| CO2 | 0.858 | 9992 |
| carbon | 0.823 | 3087 |
| Emissions | 0.821 | 37744 |
| dioxide | 0.812 | 10273 |
| gases | 0.809 | 11662 |
| greenhouse | 0.794 | 8346 |
| C02 | 0.783 | 94587 |
| fossil-fuel | 0.777 | 91442 |
| gasses | 0.767 | 45276 |
| pollution | 0.765 | 5841 |
| methane | 0.751 | 19799 |
| SO2 | 0.745 | 90224 |
| pollutant | 0.745 | 41997 |
| fuels | 0.744 | 9417 |
| pollutants | 0.743 | 16074 |
| tailpipe | 0.736 | 80378 |
| fuel | 0.736 | 1992 |
| biofuel | 0.736 | 33305 |
| renewables | 0.732 | 27442 |
| biofuels | 0.729 | 26111 |
| refrigerants | 0.729 | 92454 |