Most of us may not know that a full gas tank is a happy gas tank. There is an unfounded rumor that states that you will get better gas mileage if you keep your tank low on gas. That is completely bogus, and you should actually keep your tank as full as possible, especially during the cold winter months.
The lower the amount of fuel in your tank, the more air there is. Air holds moisture, and if that moisture condenses and freezes, it can cause a real problem. The fuel line that goes from your tank to the engine…

