| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| natural gas engine exhaust composition | 1.13 | 0.5 | 5803 | 40 | 38 |
| natural | 0.28 | 0.6 | 4653 | 32 | 7 |
| gas | 1.87 | 0.1 | 3088 | 63 | 3 |
| engine | 0.04 | 0.8 | 5834 | 22 | 6 |
| exhaust | 0.69 | 0.1 | 1063 | 14 | 7 |
| composition | 1.33 | 0.8 | 1682 | 19 | 11 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| natural gas engine exhaust composition | 1.06 | 0.9 | 1029 | 66 |
