Most Fuel Savers Don't Do the Job

July 12, 2004
High gas prices this summer may be bad news for consumers, but they spell opportunity for quick-buck marketers eager to sell you something -- anything! -- regardless of whether it's beneficial.

Take gas-saving devices and additives, for example.

The U.S. Environmental Protection Agency tested over 100 supposed gas-saving devices, such as mixture ‘enhancers’ and fuel line magnets. The results indicate that very few products provide any benefit and that some can cause engine damage or increased emissions.

There are, on the other hand, some tried-and-true methods for saving fuel:

• Use only the octane level you need. The level specific to your car is indicated in the owner’s manual and all gas pumps are required to have their octane rating posted. Using a higher octane that the manual specifies does nothing to improve performance; all it does is burn money.

• Drive efficiently: stay within (or at least close to) posted speed limits; use overdrive gears and cruise control for highway driving; avoid quick starts, stops, and unnecessary idling; combine errands; and remove excess weight from the trunk.

• Maintain your vehicle properly. Keep the engine tuned, tires properly inflated and aligned, change the oil and replace the air filter regularly.

• Think about switching to a fuel efficient vehicle. You'll find the latest fuel economy ratings at www.fueleconomy.gov.

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