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Oxygenated Fuels
Some conventional gasolines are being blended with alcohol or an ether
compound. These gasolines are collectively referred to as oxygenated fuels.
To meet clean air standards, some areas of the United States and Canada
use oxygenated fuels to help reduce emissions.
If you use an oxygenated fuel, be sure it is unleaded and meets the
minimum octane rating requirement.
Before using an oxygenated fuel, try to confirm the fuel’s contents. Some
states/ provinces require this information to be posted on the pump.
The following are the EPA-approved percentages of oxygenates:
ETHANOL (ethyl or grain alcohol) 10% by Volume.
You may use gasoline containing up to 10% ethanol by volume. Gasoline
containing ethanol may be marketed under the name ‘‘Gasohol’
MTBE (Methyl Tertiary Butyl Ether) 15% by Volume
You may use gasoline containing up to 15% MTBE by volume.
METHANOL (methyl or wood alcohol) 5% by Volume
You may use gasoline containing methanol containing up to 5%
methanol by volume as long as it contains cosolvents and corrosion
inhibitors to protect the fuel system. Gasoline containing more than 5%
methanol by volume may cause starting and/or performance problems. It
may also damage metal, rubber, and plastic parts of your fuel system.
If you notice any undesirable operating symptoms, try another service
station or switch to another brand of gasoline.
Fuel system damage or performance problems resulting from the use
of an oxygenated fuel containing more than the percentages of oxygenates
mentioned above are not covered under warranty.
Oxygenated fuels can damage paint and plastic. Be careful not to spill fuel
when filling the fuel tank. Wipe up any spills immediately.