How To: Improve Your MPG By Up to 37 Percent

Edmunds.com tested a lot of lore on how to change your driving habits in order to save money on gas. Some of the results:

- 65 mph instead of 75 mph saves 12 percent
- smooth driving instead of aggressive driving saves 37 percent
- turning your car off instead of idling when you stop at a light or the drive-thru saves 19 percent

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