ShotPrime Studio/Shutterstock.com,zedspider/Shutterstock.comYou’re driving your car on a hot summer day. There are two options to stay cool—put the windows down and enjoy the breeze or turn on the air conditioning. Which one is better for fuel efficiency? Let’s find out. It’s a pretty well-known fact that running the AC in your vehicle has a negative impact on MPG. This is true for both gas and electric vehicles. So rolling the windows down is the better choice for efficiency, right? It’s not that simple. RELATED: How to Use Fuel-Efficient Routes in Google Maps It’s All About Air Resistance ktsdesign/Shutterstock.comOpening the windows an… Click below to read the full story from How To Geek
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