Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
problems with hydrogen fuel cell vehicles | 1 | 1 | 5665 | 67 |
hydrogen fuel cell problems | 0.53 | 0.7 | 9483 | 70 |
hydrogen fuel cell issues | 0.36 | 1 | 4120 | 25 |
hydrogen fuel cell vehicles pros and cons | 1.3 | 1 | 5607 | 3 |
the problem with hydrogen fuel cells | 1.79 | 0.6 | 5897 | 44 |
hydrogen in fuel cell vehicles | 1.26 | 0.5 | 8981 | 23 |
why not hydrogen fuel cell cars | 1.41 | 0.3 | 5794 | 7 |
what happened to hydrogen fuel cell cars | 0.07 | 1 | 6668 | 31 |
disadvantages of hydrogen fuel cell cars | 1.65 | 0.7 | 9078 | 94 |
fuel cell hydrogen cars safety | 0.58 | 0.7 | 3852 | 44 |
hydrogen fuel cell automobiles disadvantages | 1.38 | 0.2 | 2371 | 16 |
fuel cell hydrogen cars environmental impact | 0.32 | 0.9 | 2747 | 6 |
hydrogen fuel cell safety concerns | 1.69 | 0.5 | 2737 | 81 |
hydrogen fuel cell automobiles safety | 0.59 | 0.3 | 7127 | 34 |
hydrogen fuel cell challenges | 0.03 | 0.7 | 7490 | 19 |
hydrogen fuel cell cars pros and cons | 0.9 | 0.1 | 2137 | 83 |
challenges of hydrogen fuel cells | 0.77 | 0.9 | 1384 | 99 |