Month: July 2025

Black or Brown Solids in My Fuel.

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When biodiesel is poorly made—often referred to as “bad biodiesel”—one of the biggest red flags is a high concentration of glycerine (or glycerin/glycerol). Here’s why that matters:🧪 What Glycerine Is in Biodiesel• Glycerine is a byproduct of the transesterification process used to make biodiesel from fats or oils.• Ideally, it should be separated and removed… Read more »