| Similarity | Rank | |
|---|---|---|
| renewable | 0.899 | 6153 |
| fossil-fuel | 0.827 | 91442 |
| Renewables | 0.821 | 55257 |
| biofuels | 0.817 | 26111 |
| feed-in | 0.809 | 67440 |
| cogeneration | 0.787 | 76666 |
| low-carbon | 0.786 | 41607 |
| gas-fired | 0.781 | 70372 |
| photovoltaics | 0.771 | 66103 |
| Renewable | 0.769 | 19768 |
| biofuel | 0.767 | 33305 |
| bioenergy | 0.765 | 65798 |
| biomass | 0.764 | 16091 |
| coal-fired | 0.758 | 36383 |
| gigawatts | 0.756 | 88899 |
| electricity | 0.746 | 3160 |
| cleantech | 0.738 | 63075 |
| DECC | 0.738 | 73039 |
| fuels | 0.738 | 9417 |
| energy-related | 0.734 | 86604 |
| turbines | 0.734 | 14713 |
| emissions | 0.732 | 4569 |
| hydropower | 0.728 | 38989 |
| geothermal | 0.727 | 21905 |
| GHG | 0.726 | 30079 |