| Similarity | Rank | |
|---|---|---|
| Biomass | 0.783 | 78430 |
| bioenergy | 0.772 | 43864 |
| feedstock | 0.757 | 44952 |
| bioga | 0.747 | 33090 |
| biofuel | 0.731 | 11346 |
| renewable_resource | 0.699 | 46913 |
| anaerobic_digestion | 0.691 | 68210 |
| renewable_energy_source | 0.688 | 24016 |
| renewable_source | 0.681 | 75160 |
| Bioenergy | 0.676 | 86779 |
| renewable_energy | 0.673 | 4106 |
| electricity_production | 0.669 | 79564 |
| lignin | 0.667 | 75500 |
| renewable_fuel | 0.666 | 88540 |
| carbon_sequestration | 0.663 | 54193 |
| energy_generation | 0.655 | 60953 |
| renewable | 0.653 | 7265 |
| renewable_energy_resource | 0.651 | 83922 |
| wind_energy | 0.648 | 16912 |
| electricity_generation | 0.646 | 42478 |
| wood_chip | 0.645 | 65929 |
| alga | 0.644 | 12114 |
| biodiesel | 0.642 | 34972 |
| wind_power | 0.642 | 15719 |
| energy_production | 0.639 | 24155 |