Ray: Right. And there’s no fuel lost to evaporation, because the fuel system in a modern car is a closed system. Tom: But if you fill your tank only halfway, there’s another major fuel loss.

I suppose a full tank of gas would help keep the pump cooler, which could, theoretically, extend its life a little bit, but I’m nitpicking here. So, I’m going to declare you both right, Tim.

Keep your gas tank no less than ¼ full. Fill up before heading out on a long trip or to work as you could get stuck in traffic and have a longer ride than intended.

My gas gauge goes straight to empty when the tank reaches half-full. So I appear to run out of gas a lot, which is a useful illusion on dates. I don’t really want to fix it.

After filling your tank, your car's gas gauge may stay on full for a day or two before the needle starts creeping toward empty. That's because auto engineers have calibrated our gas gauges to lie ...

Another tactic to keep fuel from degrading over time is to top-off your tank when you fill it. This will leave less room in the tank for moisture, which can cause water contamination and eventual ...

WASHINGTON — With gas prices on the rise, we're all looking to make that full tank last a little longer. Here are a few tips to help you do just that, thanks to the American Automobile ...