2014 Chevrolet Cruze Owner Manual - Page 247

Driving and Operating 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. 9-55 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. 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. 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 (Continued) { Caution Any damage caused by raw, unmodified, or home-made biodiesel would not be covered by the vehicle warranty.