| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| stirling engines with propane | 1.15 | 0.1 | 379 | 6 | 29 |
| stirling | 0.65 | 0.4 | 8457 | 95 | 8 |
| engines | 0.17 | 0.6 | 2781 | 19 | 7 |
| with | 1.53 | 0.7 | 1078 | 41 | 4 |
| propane | 1.3 | 0.2 | 6945 | 12 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| stirling engines with propane | 1.93 | 0.2 | 6297 | 25 |
