Fuel Saving Tips
Because fuel pumps add by volume not weight, fill up your tank early in the morning or later in the evening because fuel is more dense at lower temperatures (you get more fuel) and less dense in warmer temperatures (you get less fuel). This can help save $ and increase mpg because your getting more at the pump
posted by returnofsilvervibe on February 27, 2015
this tip works for 34% of voting Fuelly members.