CNNMoney has compiled a list of gas saving myths and asked Consumer Reports and Edmunds.com to debunk them. Here’s the list:

#1. Fill your tank in the morning

Consumer Reports says that the temperature variation in a single day isn’t really significant enough to affect the gas, so you might as well stay in bed.

#2. Change your air filter

“Modern engines have computer sensors that automatically adjust the fuel-air mixture as an increasingly clogged air filter chokes off the engine’s air supply.”

#3. Use premium fuel

“When sensors detect regular instead of premium fuel, the system automatically adjusts spark plug timing. The result is a slight reduction in peak horsepower – really, you’ll never notice – but no reduction in fuel economy.”

#4 Pump up your tires

“According to on-the-road driving tests by both Consumer Reports and auto information site Edmunds.com, underinflated tires reduce fuel economy, so proper inflation is key.

But you should never over-inflate your tires.”

#5 To AC or Not To AC
At most speeds and in most vehicles, A/C use drains slightly more fuel than driving with the windows down, contends David Champion, head of auto testing for Consumer Reports. “My final take on is that it’s very close,” says Phil Reed, consumer advice editor for Edmunds.com. “It’s hard to measure the difference and every vehicle is different.”

#6. Bolt-ons and pour-ins

“… if there really was an additive that made gas burn up more slowly, it wouldn’t be sold over the Internet one bottle at a time.”

There’s more detailed info at CNNMoney, but as far we’re concerned, the best way to increase your fuel economy is to slow down, stop running up on people’s ass and then slamming on the brakes, and don’t weave from lane to lane trying to find the fast one. They’re all slow. Such is life. Relax.

6 gas saving myths [CNNMoney] (Thanks, Aaron!)

(Photo: meghannmarco )

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