If you thought diesel fuel additives were merely store-bought products at your favorite auto store, you’d better think again. Fuel suppliers, refineries, and manufacturers are the biggest market for additives. Each batch of crude oil is different from the last, and fuel makers use additives to enhance or improve the properties of diesel fuel. The National Conference on Weights and Measures (NCWM) prescribed the standards for premium diesel fuel in 1999. Diesel from every manufacturer or marketer must meet
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