| Similarity | Rank | |
|---|---|---|
| feedstocks | 0.967 | 76964 |
| cellulosic | 0.863 | 66673 |
| biomass | 0.848 | 16091 |
| biofuel | 0.844 | 33305 |
| biofuels | 0.830 | 26111 |
| gasification | 0.822 | 64900 |
| biodiesel | 0.810 | 28801 |
| ethanol | 0.802 | 14555 |
| biogas | 0.796 | 44510 |
| hydrocarbons | 0.792 | 32458 |
| hydrocarbon | 0.790 | 36213 |
| ethane | 0.784 | 97441 |
| fuels | 0.783 | 9417 |
| petrochemicals | 0.776 | 64013 |
| fertilisers | 0.776 | 63089 |
| petroleum-based | 0.775 | 79740 |
| petrochemical | 0.772 | 40327 |
| fertiliser | 0.769 | 43681 |
| potash | 0.764 | 52060 |
| fertilizers | 0.763 | 21635 |
| energy-intensive | 0.761 | 95480 |
| ethylene | 0.760 | 51107 |
| digester | 0.760 | 85063 |
| lignin | 0.757 | 86418 |
| biochar | 0.756 | 81934 |