Related Clues:

• Overhead cover protecting us behind old drain
• Knockout type in mini might take your breath away?
• Empty pipe
• Waste gases
• Gases ejected from an engine
• Emission — tax to the limit
• Completely tire out
• Wear out part of vehicle
• Run through former play by Goethe, hard for following
• Run out of Gold Street going after former husband
• Smoke getting fag out
• A tux he's ordered to wear out
• Study in great detail divorcee from America in Panama, for example
• Drain pipe fitted to vehicle
• Tax producer of emissions