| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| is fossil fuel a gas | 1.4 | 1 | 1951 | 20 |
| is fossil fuel a greenhouse gas | 1.77 | 0.4 | 5064 | 49 |
| is natural gas a fossil fuel | 1.13 | 0.7 | 9854 | 70 |
| is gasoline a fossil fuel | 1.1 | 0.1 | 3405 | 84 |
| is coal a natural gas or a fossil fuel | 0.65 | 0.4 | 4208 | 78 |
| is natural gas considered a fossil fuel | 0.84 | 0.4 | 7466 | 64 |
| is propane gas a fossil fuel | 1.65 | 0.3 | 8586 | 73 |
| fossil fuel greenhouse gas emissions | 0.08 | 0.6 | 134 | 28 |
| fossil fuel greenhouse gases | 0.92 | 0.7 | 1396 | 71 |
| fossil fuel contribution to greenhouse gases | 1.81 | 1 | 1473 | 6 |
| fossil fuel and greenhouse gases | 1.68 | 0.7 | 6335 | 73 |
| greenhouse gas vs fossil fuel | 0.24 | 0.4 | 6990 | 82 |
| fossil fuels greenhouse gas | 1.79 | 0.3 | 7518 | 53 |
| do fossil fuels produce greenhouse gases | 1.44 | 0.8 | 3492 | 44 |
| do fossil fuels create greenhouse gases | 0.1 | 0.7 | 4663 | 10 |
| do fossil fuels emit greenhouse gases | 0.23 | 0.7 | 3360 | 27 |
| do fossil fuels release greenhouse gases | 1.45 | 0.1 | 1241 | 6 |
