Some conventional gasolines are being blended
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.
you use an oxygenated fuel. be sure
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
posted on the pump.
The following are the EPA-approved percentages of oxygenates:
ETHANOL (ethyl or grain alcohol)
You may use gasoline containing up to 10% ethanol by
volume. Gasoline containing ethanol may be marketed under
the name "Gasohol."
MTBE (Methyl Teniary Butyl Ether)
15% by Volume
You may use gasoline containing up to 15% MTBE by volume.
METHANOL (methyl or
5% by Volume
You may use gasoline containing methanol containing up to
5% methanol by volume as long as it also contains cosolvents
to protect the fuel system. Gasoline
containing more than 5% methanol by volume may cause
starting and/or performance problems. It may
metal, rubber, and plastic
of your fuel system.
If you notice any undesirable operating symptoms,
service station or switch to another brand of gasoline.