| car exhaust | 3.23 | ...car exhaust fumes. | ||
| diesel exhaust | 1.65 | The engine sputtered to life with a corrupting puff of diesel exhaust. | ||
| vehicle exhaust | 1.12 | A cloud of toxic vehicle exhaust hangs over the city. | ||
| engine exhaust | 0.92 | The other death came from engine exhaust. | ||
| auto exhaust | 0.66 | Auto exhaust has been linked to this greenhouse effect. | ||
| rocket exhaust | 0.39 | The experiment sought to evaluate what would happen if rocket exhaust hits parts of the planned space station. | ||
| jet exhaust | 0.33 | Inhaling a sudden blast of jet exhaust. | ||
| shuttle exhaust | 0.33 | The space station has solar panels that can be damaged by shuttle exhaust. | ||
| twin exhaust | 0.26 | Its twin exhausts seem to belch smoke in sympathy with my moods. |