Chevrolet Cruze Owner's Manual page 247

Premium Diesel Fuel
Diesel fuel corresponding to the
Engine Manufacturers Association
(EMA) Recommended Guideline on
Premium Diesel Fuel (FQP-1A)
could provide better starting, less
noise, and better vehicle
performance, but its use is not
required.
Biodiesel
What is biodiesel?
Biodiesel is a fuel produced from
vegetable oils or animal fats that
have been chemically modified to
reduce the possibility of damage to
the fuel system and engine.
Caution
Do not use home-made biodiesel
or home test kits because the
quality cannot be verified by
approved scientific methods. Do
not use raw vegetable oil or other
Caution (Continued)
unmodified bio-oils, fats,
or blends of vegetable oil with
diesel. They could damage the
fuel system and engine, and
damages would not be covered
by the vehicle warranty.
What not to use
Do not use home-made biodiesel in
your vehicle since its quality cannot
be verified by approved scientific
methods. Home test kits are not
approved scientific methods.
Any damage caused by raw,
unmodified, or home-made
biodiesel would not be covered by
the vehicle warranty.
(Continued)
Driving and Operating
Caution
Biodiesel blends
It is acceptable to use diesel fuel
containing up to 20% biodiesel
(B20). The diesel fuel portion of the
blend must meet the same
specification, ASTM D975 (Grades
number 2-D or number 1-D S15
commonly known as Ultra Low
Sulfur Diesel), as other fuels used in
your vehicle, and the biodiesel used
for making this fuel must meet the
latest version of ASTM specification
D6751.
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