Yes, biodiesel produced from walnut oil—when processed properly—meets ASTM D6751 and EN 14214 standards. Its low viscosity, good combustion profile, and decent cetane number make it compatible with standard diesel engines, especially in B20–B100 blends. Walnut oil biodiesel offers excellent lubricity and low emissions. The GlobeCore USB biodiesel plant ensures consistent fuel quality through precise control over reaction parameters and purification, delivering biodiesel suitable for modern engines without modifications.