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How to Improve a Vehicle's Fuel Efficiency Without Causing Damage

May 15, 2008
Many of the gas saving devices being advertised do not work and can actually damage your vehicle.

The Environmental Protection Agency did tests on over 100 fuel saving devices and found that most did not improve efficiency at all and the rest didn't improve it by that much.

The gas-saving products on the market seem to fall into clearly defined categories. These include, but are not limited to: vapour-bleed devices, liquid injection devices, ignition devices, fuel line devices, mixture enhancers, internal engine modification devices, fuels and fuel additives, oils and oil additives, and driving habit modifiers.

The EPA's test were designed to evaluate whether the devices had any significant impact on a vehicle fuel economy. What they could not test for was whether the devices would have any adverse effects on a cars performance over time.

Air Bleed devices are one such device that could potentially cause damage to a vehicle. The way they work is to increase the air intake of the engine by adding air to the carburettor. This type of device can cause engine misfire, especially on cars built between 1974 and 82. These vehicles had carburettors that were factory set to a maximum. And on cars built after 82 it may not even work because carburettors were redesigned to be automatically adjustable.

Assesing fuel consupmtion is not an exact science due to the amount of variables, like traffic and driving habits, but even so there are lots of adverts featuring testimonials from happy customers.

In one case a consumer sent a letter to a company praising its gas-saving product. But what was not mentioned in the advertisement was the fact that the consumers vehicle also had an engine tune-up at the time the device was installed.

There are claims in some advertisments that a product is endorsed or approved by a government agency. This is a falacy. Government agencies will never endorse a product of this type. It may have been tested by the EPA and if so, you will be able to request a copy of the test results.

If you have already purchased a gas-saving product and you are not satisfied, contact the manufacturer and ask for a refund. An honest company offers a money-back guarantee. If you are not satisfied with the company's response, contact your local or state consumer protection agency or the Better Business Bureau.

Regular maintenance and servicing is one of the best way to ensure that your vehicle is running at it's maximum fuel efficeincy. You can find out service intervals by looking in the vehicle manual.

Three simple steps that will help improve gas mileage in all vehicles:

Get your engine tuned properly.

Checking tire pressure.

Take out any unnecessary objects from your trunk to rid your vehicle of excess weight.
About the Author
This author has collected together other articles on making your car fuel efficient and has also written a selection of motoring articles at, OldboyArticles.com
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