Biofuel guidelines by vehicle and engine manufacturers
Global automobile and engine producers developed recommendations for ethanol and biodiesel when blended with gasoline and diesel fuel. Fuel quality experts from Europe (ACEA), the US and Japan joined in producing the Biofuel Guidelines.
The Guidelines apply to pure ethanol (E100) blended with gasoline at levels up to 10% by volume and to pure biodiesel (B100) blended with diesel fuel at levels up to 5% by volume. Ethanol and biodiesel are the two most widely used biofuel blending components available today. To ensure fuel providers know how to maintain good biofuel quality from production to retail sale, the Guidelines also provide information about test methods and good fuel management practices. The Guidelines are based on the manufacturers’ global experience and expertise; since these change over time, the Guidelines will be periodically updated. The Guidelines are intended to be used in conjunction with the Worldwide Fuel Charter (WWFC), which recommends quality specifications for finished gasoline and diesel fuel delivered to consumers around the world.
Automakers and engine manufacturers created the WWFC in 1998 to promote greater understanding of fuel quality’s impact on engine and vehicle emissions and performance. The WWFC also helps promote global fuel harmonization in accordance with engine and vehicle needs in different markets. Fuels meeting the Biofuel Guidelines and WWFC specifications will help minimise emissions, protect vehicles and engines, and enable vehicles and engines to perform at their best.
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