| 参数 | 氢气 | 汽油 | 天然气 |
| 密度 | 70.8 g/L | 700 g/L | 423 g/L |
| 沸点 | −253℃ | 37℃~205℃ | −162℃ |
| 爆炸极限 | 18.3%~59% | 1.1%~3.3% | 5.7%~14% |
| 可燃性极限 | 4%~74% | 1.4%~7.6% | 5.3%~15% |