To me, summer means teens wanting to borrow the car constantly. They borrow the car and deliver it back with the gas light on. It’s more than annoying. But it’s a chance to sneak in a money lesson for one of their most revered commodities: gas money.
Gas money equals freedom—whether it’s your car or their own— and it’s compartmentalized in the teenage mind: It never occurs to a teenager, or many college students for that matter, that the money they use to go to the mall can also be used to gas up the car. The reason is simple. They know they can finagle a way to talk you into the gas money, especially if it’s your car. But even in their own car, if you want them to do errands, they’ll get the gas money out of you, then fly off to do what they want, that loaf of bread you asked them to go get arriving back at the house at 11 p.m.
So, let’s turn the tables a bit on all that. Gas prices are sneaking up again, and even if it doesn’t seem like it when teens are nickel and diming you for three dollars here, five dollars there, gas money adds up. They need to take some responsibility for it, especially when it translates so directly to their freedom.

I had no idea what to do about fixing the gas guzzler problem, until I happened to be complaining about it to my mechanic, and he said: “Try driving the speed limit.”
First of all, how did he know I have a lead foot? Well, apparently the way my tires are worn tell him the whole story. He’s the Columbo of cars.
But then something occurred to me: Are there really things you can do, like driving the speed limit, that conserve gas? Indeed there are. Here’s my mechanic’s short list: Check tire pressure regularly and make sure you have tires filled to the recommended air pressure. Drive the speed limit. Keep clean oil in your car, and don’t let it run low. Don’t run the air conditioner. Don’t drive in heavy traffic if you can help it, and use less congested roads, with less frequent stopping and starting
So, what I decided to do was give this list to teenagers. The goal: to raise awareness about gas money, and get them to take responsibility for the expense.
Here’s the plan:
1. Tell them to keep track of how much money they spend on gas for two weeks.
2. Then have them do the all the things on the mechanic’s short for the next two weeks, and track gas expenditure again. This time, they have to pay for their own gas. I especially like the speed limit one. It’s such a great way to con them into being safe. The one that might be hard, depending on where you live, is the air conditioner one. And that’s a good thing. Don’t worry about your suffering teen. We need to raise awareness and discomfort does that job very well.
3. If they’ve saved money in the second two weeks, give them a bonus, such as gas money for a week. There’s a real side benefit to giving them a lump sum of money in advance, earmarked for gas, rather than every time they go out. They have to pace themselves for a week, which raises awareness, too. The next time they slip a hand into their jeans pocket, rummaging for a couple of dollars for a slice of pizza, the thought will pop into their little heads: Is this my gas money? The idea that money is money, and there’s an opportunity cost for spending it, is a great lesson.
You may be asking what is the point of giving them gas money as a bonus, if the whole lesson was designed to prevent you from being the gas money ATM? Because if they think they’re going to get free money, they’ll keep being careful and conservative. They’ll decide whether they really need the air conditioning on. Awareness is the first step toward forming a good habit. After a while, the good habits will stick. Plus, the very fact that the cost of gas is their responsibility will be instilled—we can all hope.
If you have any more tips about car care that translates to better gas mileage, please share them.
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