| Similarity | Rank | |
|---|---|---|
| biomass | 0.849 | 16091 |
| renewable | 0.838 | 6153 |
| biofuels | 0.820 | 26111 |
| biochar | 0.810 | 81934 |
| biofuel | 0.789 | 33305 |
| feedstocks | 0.786 | 76964 |
| energy-related | 0.781 | 86604 |
| cogeneration | 0.779 | 76666 |
| biogas | 0.776 | 44510 |
| gasification | 0.767 | 64900 |
| renewables | 0.765 | 27442 |
| Biomass | 0.759 | 50798 |
| agriculture | 0.754 | 6030 |
| feedstock | 0.746 | 46681 |
| agricultural | 0.727 | 5332 |
| cellulosic | 0.723 | 66673 |
| energy | 0.721 | 453 |
| photovoltaics | 0.721 | 66103 |
| Biofuels | 0.713 | 67613 |
| Renewable | 0.711 | 19768 |
| geothermal | 0.710 | 21905 |
| forestry | 0.708 | 19628 |
| fossil-fuel | 0.707 | 91442 |
| low-carbon | 0.707 | 41607 |
| fuels | 0.701 | 9417 |