What about gasoline with blending materials that
contain oxygen (oxygenates), such as MTBE or alcohol?
MTBE
is “methyl tertiary-butyl ether.” Fuel that is no
more than
15%
MTBE is fine for your vehicle.
Ethanol
is ethyl or grain alcohol. Properly-blended fuel
that
is
no
more than
10%
ethanol
is
fine
for
your
vehicle.
Methanol
is methyl
or
wood alcohol.
NOTICE:
Fuel that is more than 5% methanol is bad for
your vehicle. Don’t use it. It can corrode metal
parts in your fuel system and also damage plastic
and rubber parts. That damage wouldn’t be
covered under your warranty. And even at
5%
or
less, there must be “cosolvents” and corrosion
preventers in this fuel to help avoid these
problems.
Gasolines for Cleaner Air
Your
use
of
gasoline with deposit
control
additives will
help prevent deposits from forming in your engine and
fuel system. That helps keep your engine in tune and
your emission control system working properly. It’s
good for your vehicle, and you’ll be doing your part for
cleaner air.
Many gasolines are now blended with oxygenates.
General Motors recommends that you use gasolines with
these blending materials, such as MTBE and ethanol. By
doing
so,
you can help clean the air, especially in those
parts of the country that have high carbon monoxide
levels.
In addition, some gasoline suppliers are
now
producing
reformulated gasolines. These gasolines are specially
designed
to
reduce vehicle emissions. General Motors
recommends that
you
use reformulated gasoline. By
doing
so,
you can help clean the air, especially in those
parts
of
the country that have high ozone levels.
You should ask your service station operators if their
gasolines contain deposit control additives and
oxygenates, and if they have been reformulated to
reduce vehicle emissions.
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