No. While the two products can be produced from the same feedstocks and both are used in diesel engines, the end products are quite different. Neste MY Renewable Diesel meets the same specification as fossil diesel – ASTM D975, while FAME biodiesel is a fatty acid methyl ester and meets ASTM 6751. Most OEMS require that biodiesel be used in reduced blends (20 percent max) with fossil diesel while renewable diesel can be used 100% neat. Read more: Biodiesel vs renewable diesel.