| Similarity | Rank | |
|---|---|---|
| cogeneration | 0.875 | 76666 |
| biogas | 0.867 | 44510 |
| biomass | 0.854 | 16091 |
| digester | 0.822 | 85063 |
| feedstock | 0.822 | 46681 |
| gas-fired | 0.808 | 70372 |
| coal-fired | 0.804 | 36383 |
| combustion | 0.797 | 15295 |
| feedstocks | 0.795 | 76964 |
| Biomass | 0.789 | 50798 |
| geothermal | 0.785 | 21905 |
| coking | 0.782 | 94487 |
| incineration | 0.781 | 62397 |
| coal | 0.777 | 5233 |
| methane | 0.776 | 19799 |
| biofuel | 0.772 | 33305 |
| smelting | 0.770 | 58389 |
| bioenergy | 0.767 | 65798 |
| liquefaction | 0.763 | 86945 |
| biochar | 0.758 | 81934 |
| biofuels | 0.748 | 26111 |
| incinerators | 0.744 | 86069 |
| desalination | 0.743 | 51084 |
| wastewater | 0.742 | 17337 |
| renewable | 0.742 | 6153 |