Related:

• Just go out for a breath of air, and you'll be ready for Medicare.
  The city streets are really quite a thrill, if the hoods don't get you, the monoxide will....
• Hydrogen, n.: A light, colorless, odorless gas that, given enough time, turns into people.
• Marge: Now the cat needs his medication... Homer: [assenting, simultaneously] No problem.
  .. Marge: ... every morning and the furnace has been putting off....
• You are getting old if you can remember when Ethyl gas cost more because lead was added to the gas.
  Now, leaded gas costs less than regular gas. It is enough to make you fume!...
• Why does grass smell only when you mow it?
• Now you are cooking with gas.
• One of the first things you learn when the kids start to use the car is how far you can drive when the gas guage stands on empty.
• A cloud of gas puts you to sleep!
• Listen! Do you smell something?