4. Walk

If you are in good health and live in a safe neighborhood, you can save money by simply walking. Let's say post office box is located half a mile away from your home, your friend lives just a couple blocks away or you need to make a minor purchase at convenience store across the street. Many people still drive no matter how close their destination is. If you are one of these people, you should reconsider.

5. Other helpful hints

- Comparing gas stations prices in your area can save you some money. Sites like, Gas prices - MSN Autos, help you find best prices within a few miles from your home or place of work.
- You shouldn't keep your car running when waiting for someone unless it's really short time like a minute or two.
- Get exact address including zip code whenever you are going to unfamiliar area. This way you can download directions on line. You don't want to waste your money by driving around to find the place.

There is no single way to save huge amount of money on gas. Usually it is a combination of different approaches, some of which are described in this article, that can help you save substantially.