| Similarity | Rank | |
|---|---|---|
| Biomass | 0.797 | 78430 |
| bioenergy | 0.775 | 43864 |
| Biofuels | 0.755 | 85923 |
| Renewable_Energy | 0.679 | 25699 |
| biomass | 0.676 | 8352 |
| Renewables | 0.641 | 81235 |
| Wind_Energy | 0.640 | 88427 |
| Renewable | 0.636 | 86181 |
| biofuel | 0.628 | 11346 |
| Fuels | 0.621 | 93475 |
| Clean_Energy | 0.620 | 64978 |
| bioga | 0.613 | 33090 |
| Energy | 0.609 | 3952 |
| Biotechnology | 0.607 | 19911 |
| Energy_Policy | 0.606 | 84594 |
| Solar_Energy | 0.605 | 59383 |
| renewable_energy | 0.604 | 4106 |
| anaerobic_digestion | 0.604 | 68210 |
| Green_Economy | 0.596 | 92975 |
| renewable_fuel | 0.596 | 88540 |
| Energy_Efficiency | 0.589 | 27741 |
| renewable_resource | 0.584 | 46913 |
| renewable_source | 0.584 | 75160 |
| renewable_energy_source | 0.581 | 24016 |
| sustainable_energy | 0.580 | 32989 |