FAQ's

How Can I Best Track My Mileage?
1. Establish a baseline MPG for your vehicle
A. Use a minimum of 3 fill ups to establish your baseline MPG
B. Use the GFT Mileage Log PDF available on our Guarantee page
C. DO NOT use your vehicles on-board computer for mileage tracking for this test

2. Begin the tracking by treating your fuel with GTabs - 1 tablet per fill-up

3. Use a minimum of 5 tablets (we recommend using 10 tablets) - one per fill up. Continue tracking your mileage with the GFT Mileage Log.

4. Calculate your mileage savings with GFT using the GFT Mileage Log.

5. The longer you use GTabs, the more your mileage will improve. You will see an improvement of at least 10% after your first 5 to 10 fill ups while using GTabs, and over time it will continue to improve, in most cases up into the 15% to 20% range.

Note - On about one or two per cent of some of the high end cars, there is chip for the fuel-air mixture that may need to be reset to recognize the fuel improvement. If you have used three GTabs and have not seen results of 10% improvement yet, then you may have one of these chips in your engine and can follow these additional steps to reset the chip and see improved fuel performance and mileage.
How Can I Tell If My Emmissions Are Being Reduced?
There is really only one way to tell if your emissions are being reduced - by getting a emissions test at a certified auto mechanic that offers testing. Here is our recommend procedure:

1. Establish a baseline emissions test for your vehicle before using any GTabs. If you have had your vehicle smog tested within the last 3 to 4 months, you can use that existing test as your baseline. If the test is older than that, you should get your vehicle re-tested.

A. Testing should include, but not be limited to, the following test parameters: Hydrocarbons, CO and NOx.

2. Begin by treating your fuel with GTabs - 1 tablet per fill-up

3. Use a minimum of 5 tablets (we recommend using 10 tablets) - one per fill up.

4. Re-test your emissions after step 3 with the same tests that are used in step 1A.
Do GTabs Really Work?
A: Absolutely! This product has been in use for over 10 years by thousands of people and companies - in cars, trucks, boats and buses - both gas and diesel. We have numerous case studies to back up performance. Your savings are not just limited to the gas pump. Since GTabs clean your engine of gunky deposit/buildups, this results in more efficient burning of the fuel and less engine maintenance costs.
Will GTabs Save Me Money?
A: Absolutely! We even offer a money back guarantee for GTabs. If customers don’t save - per tank full - an equivalent or more than the cost of an individual tab, we’ll give the customer’s money back. The typical user sees a 10% to 20% savings at every fill-up. Savings vary depending on your driving conditions, your fuel tank size, and the maintenance of your car. So for the small cost of only $4 a tab, you can get relief from ever increasing gas prices by saving $10 to $15 on average every time you fill up your gas tank, by burning your fuel more efficiently and getting more miles out of each tank of gas.
Do GTabs Reduce Harmful Emissions?
A: Absolutely! Testing has shown that GTabs can reduce harmful toxic emissions by up to 50%. GTabs help your fuel to burn more efficiently and completely. Because more of your fuel is burning, you get better gas mileage and less of it gets wasted as harmful emissions.
Any Independent Third Party Testing of GTabs?
A: Yes! Third party testing has been done on our product for several years. For further information or documentation, you may e-mail us.
Are There Any "Mothball or Mothball Components In GFT's?
A: No! There have been some other manufacturers who have tried using Naphthalene - which is a primary ingredient in mothballs - in their fuel additives. GTabs has - NO NAPHTHALENE! This idea originated with the discovery in the 1950’s that the active ingredient in mothballs - Naphthalene - could be used to boost octane and performance in racing cars. This is very unsafe for any engine and can result in major engine damage.


“Thanks for the GTabs. I put one into my Toyota Prius for the 400 mile drive I had back to Marin and recieved a 12% added mileage boost. On the trip South to Pasadena I averaged 40.2 MPG. After using the GTabs on the return trip I averaged 45 MPG. Thanks - GTabs really work!”
-Tom Faust- Redwood Renewables



“I have been sing GTabs in both my SUV and my mid size sedan for about a year. My SUV has gotten an 18% mileage improvement, and definitely feels a power improvement, especially since it is a bit older and now runs a lot smoother. My mid-size car gets about 19% to 20% better mileage, and it also just passed its smog test with a breeze this year since its emissions have dropped off to almost nothing.”
-L.L. - Anaheim, CA

"I drive a 2005 GMC Envoy. Over the last 6 months of using the GTabs I have seen a steady climb in fuel savings to a 17% increase in my MPG. That's a $.68 per gallon savings and over $13 savings per fill-up (@$4.00/gal). The vehicle is in great condition and runs so smooth now that many times I can't even tell it is running at a stop light unless I look at the RPM gauge. During a recent SMOG check the vehicle emissions were so low that the testing mechanic kept checking his equipment to see if it was malfunctioning… We both were very impressed!! I estimate my savings at @$10/week, after purchasing the GTabs, which means I will save over $500/yr. For me that is HUGE!"
-T.S. - CA

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