Here’s why topping off your gas tank is a bad idea
Many people like to squeeze in as much fuel as possible when they fill up their tank so they can go longer between fill ups. What most people don’t realize is that this is a bad idea. In this blog entry, we tell you why overfilling your tank isn’t a great thing to do.
Have you ever topped off your gas tank? We’re willing to bet you have – most people do, since we all want to go as long as possible between fill ups (especially with gas prices being what they are). However, did you know that this common practice can actually be bad for both you AND your car? Here’s why you should nix this habit now.
You’re paying for gas you’re not getting
When you top off your gas tank, you’re basically paying for gasoline that’s being fed back into the gas station’s tanks via the pump’s vapor recovery system. This means that the extra gas you think you’re putting in is actually going right back to the station and you’re paying more for nothing.
It can damage your car
Overfilling your gas tank can cause liquid gas to enter the charcoal canister, or carbon filter, which is designed only for vapor. This can damage the canister and potentially cause your check engine light to come on, leading to expensive repairs.
It’s bad for the environment
When you top off, the extra gas can evaporate into the air, contributing to air pollution. The gas vapors contribute to the formation of ozone, which is a key ingredient in smog. Plus, spilled gasoline can also seep into the ground and contaminate groundwater.
It’s a health risk
Gasoline fumes are harmful to breathe in. When you top off your gas tank, you increase your exposure to these fumes, which contain benzene – a known carcinogen. Reducing your exposure to gas fumes is always a good idea.
The bottom line
Next time you’re at the pump, let the nozzle click off automatically and resist the urge to top off your tank. You’ll save money, protect your car, help the environment, and reduce your exposure to harmful chemicals. It’s a win all the way around!