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Discussion Starter #1 (Edited)
Check the air in your tires 1st thing in the morning before driving the car.
Inflate to factory specs or even 2 lbs over spec. Factory specs are on a sticker on the driver's door frame. Do not inflate to the "Max PSI" number on the sidewall of the tire.

Enjoy a 3 or 4% increase in your range if they were (as is winter typical) underinflated.

If you are driving a gas-powered car, you can blame you winter mileage reduction on winter-blend gasoline. But with the ED, its battery temp and tires.
 

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Discussion Starter #2
One other thing about tires and tire pressure. If you are tempted by your dealer to spend $40 to $80 to inflate your tires with pure nitrogen, you have a better chance or getting something worthwhile for that money by purchasing lottery tickets.
 
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