Specifications include, but are not limited to: A. #1 Ultra Low Sulfur Diesel Fuel – ASTM D975-23a, or most current published specification. B. #2 Ultra Low Sulfur Diesel Fuel – ASTM D975-23a, or most current published specification. C. Biodiesel Additive B100/B99 (equal substitution) – ASTM D6751-23a, or most current published specification. D. B6 – B20 biodiesel blends – ASTM D7467-23, or most current published specification. E. Magellan’s Cold Flow Improver Additive (X1) or Approved Equal. F. To help prevent cold weather fuel problems, Ames Transit Agency may follow the practices recommended in Magellan’s Cold Weather Diesel Fuel Characteristics brochure. Ames Transit Agency may order #2 diesel blended with Magellan’s Cold Flow Improver Additive and #1 diesel depending on temperature. Information about Magellan’s can be found here: https://www.magellanlp.com/whatwedo/additiveservices.aspx