Save fuel with the window trick, here is the foolproof technique

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# 🚗 Save Fuel with the Window Trick: Here’s the Foolproof Technique Drivers Swear By

With gas prices always on the rise, most of us are looking for **clever ways to stretch every drop of fuel**. While carpooling and regular maintenance are well-known strategies, there’s a lesser-known **“window trick”** that savvy drivers use to save fuel — and it’s surprisingly effective.

Let’s break down how this simple window technique works, **why it matters**, and how you can use it to improve your car’s efficiency — especially on longer drives.

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## 💡 The Window Trick: What Is It?

The idea is based on **aerodynamics** — how air flows around your vehicle. At different speeds, having your car windows open or closed can significantly affect your **fuel consumption**.

### 🔑 The Trick:

* **At lower speeds** (under \~45 mph or 70 km/h):
**Open windows** are okay. Rolling down your windows for airflow is more fuel-efficient than using the AC.

* **At higher speeds** (above \~45 mph):
**Keep windows closed** and use your AC *sparingly*. Open windows create **drag** — resistance that forces your engine to work harder, using more fuel.

This balance is the essence of the “window trick” — adjust based on your speed to maximize efficiency.

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