Tag: ASTM

ASTM revises fuel oils specs for heating fuel of up to 50% biodiesel blends

ASTM revises fuel oils specs for heating fuel of up to 50% biodiesel blends

April 23, 2026 |

In Washington, National Energy & Fuels Institute (NEFI) applauds the ASTM revision of the specification for fuel oils, ASTM D396, to include grades for fuel blends containing 21% to 50% biodiesel. For retail heating fuel dealers across the Northeast, Mid-Atlantic, and beyond, this is a transformational development. ASTM D396-26a will support equipment compatibility, reliable cold-weather […]

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