New biodiesel specifications published by ASTM International
The new and revised ASTM biodiesel standards include the following:
ASTM D975-08a, Specification for diesel fuel oils - used for on and off road diesel applications, has been revised to include requirements for up to 5% biodiesel;
D396-08b, Specification for fuel oils - used for home heating and boiler applications, has been revised to include requirements for up to 5% biodiesel;
ASTM D7467-08, Specification for diesel fuel oil, biodiesel blend (B6 to 20) - a completely new specification that covers finished fuel blends of between B6 and B20 biodiesel for on- and off-road diesel engine use;
ASTM D6751-08, Specification for biodiesel fuel blend stock (B100) for middle distillate fuels - used to control pure biodiesel (B100) quality prior to blending with conventional diesel type fuels, has been revised to include a requirement that controls minor compounds using a new cold soak filterability test.