03-05-2006, 04:48 PM
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Vegetarian
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Real Name: Katie
Location: WPB, FL
Hybrids: 05 HCH CVT & 00 Insight
Posts: 857
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Re: Maganese Based (such as MMT) Fuel
I was just reading about this the other day... from Owner Link Maintenance fuel FAQs
Quote:
Do not use gasoline containing MMT (Methylcyclopentadienyl Manganese Tricarbonyl). MMT is a gasoline additive that is used by some refiners to boost octane. It contains the metal manganese. This additive contaminates your engine components and exhaust emission control system, and can lead to a significant increase in emissions and a loss in performance and fuel economy. Damage caused by the use of fuels containing MMT mat not be covered under warranty. Gasoline containing MMT is not common in the United States. It is prohibited in federal reformulated gasoline and in all California gasoline. However, MMT has been found in some fuels in the Southwest, mountain states, and the northwest area of New York State. MMT is more prevalent in gasoline sold in Canada, but lately many MMT-free fuels have become available. Regardless of location, the presence of MMT in the fuel will not be indicated on the pump, so it is important to ask your fueling station if their gasoline contains this additive. Alternatively, you may contact the customer service department of your preferred fuel brand with this question.
If you notice any undesirable operating symptoms, try another service station or switch to another brand of gasoline.
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