Andrew Grebneff wrote:

>
> Adding acetone cannot make the gas evaporate faster. The acetone will
> evaporate at its normal rate, leaving the gasoline to evaporate at ITS
> normal speed. Eventually all the acetone will be gone, leaving a
> reduced amount of acetone-free gas.
>
Adding acetone does make water evaporate faster, so I would not be
surprised to find that it would work with gasoline.
  In chem labs acetone is often used to help dry out glassware more quickly.

Larry A.