| Similarity | Rank | |
|---|---|---|
| reduce_emission | 0.801 | 41104 |
| reduce_greenhouse_gas_emission | 0.722 | 57109 |
| emission_reduction | 0.710 | 34127 |
| CO2_emission | 0.708 | 26256 |
| to_reduce_emission | 0.707 | 81660 |
| fuel_efficiency | 0.705 | 45499 |
| Co_2_emission | 0.698 | 88444 |
| reduce_carbon_emission | 0.698 | 71366 |
| emission | 0.691 | 4559 |
| greenhouse_gas_emission | 0.674 | 18703 |
| carbon_emission | 0.667 | 20778 |
| carbon_reduction | 0.663 | 96756 |
| low_carbon | 0.663 | 74731 |
| carbon_dioxide_emission | 0.662 | 61386 |
| fuel_consumption | 0.660 | 37742 |
| fuel_economy | 0.654 | 40031 |
| improve_energy_efficiency | 0.646 | 77201 |
| improve_air_quality | 0.643 | 92085 |
| increase_energy_efficiency | 0.637 | 97027 |
| reduce_energy_consumption | 0.637 | 81333 |
| environmentally_friendly | 0.635 | 19984 |
| GHG_emission | 0.635 | 52810 |
| high_efficiency | 0.630 | 32026 |
| reduce_pollution | 0.629 | 88472 |
| alternative_fuel | 0.627 | 38448 |