Methanol is very flammable and is sometimes used as an additive in gasoline.
Click on the small pictures to view the video. The file will open in a new browser window. The demonstrator pours just the right amount of methanol into the jug. The jug is twirled so that most of the liquid methanol is vaporized. Methanol has a higher vapor pressure pressure than water, so more liquid enters the gaseous phase than if water were poured into the jug at the same temperature.