This is why five minute trips to the grocery store play hell with exhaust
systems.  They're left with liquid water inside the muffler to rust it away.

Karl Wolz

> Completely normal.
> Burning any hydrocarbon (like gasoline) produces water.  At normal
> operating temperature it and the surrounding gases are hot enough that
> the water molecules disperse into the air as humidity without getting a
> chance to condense like they do while the car is warming up.
>
> Larry A.
> Chicago  0 F  this morning