Gas Saving Tips: Which Ones Work?by Tim Manni
Ever since gas prices began to climb, countless reports appeared everywhere instructing drivers on how to save on gas. Edmunds.com tested many of these “tips” on the open road. Some of their results might surprise you:
Test #4 — A/C On, Windows Up vs. A/C Off, Windows Down
Result: Nice in theory; not true in practice
Cold Hard Facts: No measurable difference (unless you open the sunroof, too!)
Recommendation: Please, make yourself comfortable.
Test #6 Avoid Excessive Idling
Result: More important than we assumed
Cold Hard Facts: Avoiding excessive idling can save up to 19 percent
Recommendation: Stopping longer than a minute? Shut ‘er down.