| Answer | Crossword Clue |
|---|---|
| TAILPIPE | Auto-exhaust part |
| TAILPIPE | Auto-exhaust duct |
| SMOG | Effect of auto exhaust |
| CARSPOISONAIRSUPPLY | EPA finding about auto exhaust? |
| MANIFOLD | Car exhaust part |
| MUFFLER | Part of a car's exhaust system |
| MANIFOLD | Part of a car's exhaust system |
