| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| landfills produce which gas | 0.23 | 0.4 | 6966 | 47 | 27 |
| landfills | 1.59 | 0.9 | 4567 | 27 | 9 |
| produce | 0.08 | 0.8 | 1344 | 75 | 7 |
| which | 0.34 | 0.5 | 6340 | 93 | 5 |
| gas | 0.15 | 0.2 | 2832 | 44 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| landfills produce which gas | 0.78 | 0.8 | 3035 | 39 |
| how much methane gas do landfills produce | 0.34 | 0.1 | 8955 | 60 |
| landfills produce methane gas | 0.86 | 0.7 | 7975 | 13 |
| what gases do landfills produce | 0.49 | 0.2 | 674 | 78 |
| how much greenhouse gas do landfills produce | 0.87 | 0.7 | 628 | 95 |
| what gas do landfills produce | 0.54 | 0.5 | 5607 | 14 |
| do landfills produce greenhouse gases | 1.94 | 0.8 | 497 | 90 |
| natural gas from landfills | 1.16 | 0.3 | 1971 | 95 |
| how is landfill gas produced | 0.22 | 0.9 | 3232 | 30 |
| what is landfill gas | 0.17 | 0.3 | 978 | 12 |
| is a flammable gas produced by landfills | 0.37 | 0.4 | 9584 | 75 |
| composition of landfill gas | 0.75 | 0.4 | 597 | 87 |
| landfill gas as an energy source | 0.28 | 0.8 | 3274 | 76 |
| landfill gas to energy | 0.93 | 0.2 | 5092 | 97 |
| landfill gas energy production | 1.96 | 0.5 | 385 | 68 |
| greenhouse gases from landfills | 0.88 | 0.7 | 3234 | 33 |
| what makes up landfills | 0.19 | 0.4 | 9118 | 24 |
| what does landfill produce | 0.73 | 0.7 | 3637 | 59 |
| landfill gas to energy companies | 0.42 | 0.7 | 1572 | 60 |
| typical landfill gas composition | 1.66 | 0.6 | 1990 | 47 |
| basic information about landfill gas us epa | 0.57 | 0.9 | 9124 | 29 |
| how is landfill gas collected | 0.39 | 0.5 | 1572 | 88 |
