3 Popular Gas Myths Debunked

As cost-conscious drivers gather around the ever-gouging gas pump, these are just a few of the oft-repeated tenets of fuel-saving wisdom. But according to experts, many of these so-called tips are mere myths. Gearheads from the American Automobile Association, Consumer Reports and “Mythbusters” helped us sort fact from fiction.

Your Friends Say: Air Conditioning Drains Your Gas Tank
Experts Say: It’s So Insignificant, You Might as Well Be Comfortable
One of the most commonly-heard myths touted by consumers and Manhattan cab drivers alike is that running the A/C drains your gas tank. Not true, according to Michael Calkins, the manager of approved auto repair at AAA — at least not on the highway.

According to Calkins, on the highway, both air conditioning and open windows affect fuel economy in similar ways: only about half a mile per gallon.

Your Friends Say: Buy Gas Early in the Day
Experts Say: Buy Gas When You Need It
Another common gas pump mystery surrounds the time of day to buy gas. The thinking goes something like this: As it gets hot, gas expands in the tank, so if you buy early in the day, you’ll get more bang for your buck.

Your Friends Say: Go for a Drive to Chill Out
Experts Say: Stress Reduces Your Fuel Economy by 50 Percent
“Mythbusters” co-host Adam Savage has made a living debunking gas-saving myths on his popular Discovery channel show. The only thing he’s found that really saves gas? Relaxing. In an experiment that will air in an upcoming show, the “Mythbusters” team found that people who drive while they’re angry use 50 percent more gas than people who are relaxed.