| Similarity | Rank | |
|---|---|---|
| Bioenergy | 0.797 | 86779 |
| biomass | 0.783 | 8352 |
| Biofuels | 0.749 | 85923 |
| Renewable_Energy | 0.719 | 25699 |
| Renewables | 0.704 | 81235 |
| Renewable | 0.688 | 86181 |
| bioenergy | 0.685 | 43864 |
| Wind_Energy | 0.661 | 88427 |
| Fuels | 0.657 | 93475 |
| anaerobic_digestion | 0.640 | 68210 |
| Clean_Energy | 0.632 | 64978 |
| bioga | 0.628 | 33090 |
| Solar_Energy | 0.627 | 59383 |
| Energy_Efficiency | 0.625 | 27741 |
| Energy | 0.616 | 3952 |
| biofuel | 0.609 | 11346 |
| renewable_energy | 0.602 | 4106 |
| renewable_energy_source | 0.591 | 24016 |
| Waste | 0.587 | 21490 |
| Solar | 0.587 | 13753 |
| feedstock | 0.585 | 44952 |
| Energy_Policy | 0.584 | 84594 |
| Solar_Power | 0.583 | 86783 |
| renewable_source | 0.582 | 75160 |
| renewable_resource | 0.582 | 46913 |