| Similarity | Rank | |
|---|---|---|
| feedstocks | 0.872 | 76964 |
| biofuels | 0.868 | 26111 |
| biofuel | 0.864 | 33305 |
| feedstock | 0.863 | 46681 |
| ethanol | 0.861 | 14555 |
| biodiesel | 0.806 | 28801 |
| cellulose | 0.771 | 32068 |
| petroleum-based | 0.759 | 79740 |
| biomass | 0.757 | 16091 |
| renewable | 0.754 | 6153 |
| lignin | 0.749 | 86418 |
| fuels | 0.740 | 9417 |
| gasification | 0.737 | 64900 |
| Biofuels | 0.735 | 67613 |
| biochar | 0.728 | 81934 |
| carbon-based | 0.723 | 97409 |
| bioenergy | 0.723 | 65798 |
| Ethanol | 0.721 | 51076 |
| polymers | 0.718 | 31022 |
| methanol | 0.714 | 42034 |
| energy-intensive | 0.703 | 95480 |
| photovoltaics | 0.700 | 66103 |
| ethylene | 0.698 | 51107 |
| petrochemicals | 0.696 | 64013 |
| ethane | 0.692 | 97441 |