Fuelmaster® Engine Warranty Compliance Diesel “Additive” Diesel engine manufacturers, including Detroit Diesel, Cummins, Caterpillar and EMD, typically do not recommend “additive use” – and for good reason. Aftermarket “additives” generally alter recommended ASTM fuel specifications. Common aftermarket “additives” often contain the following: Nitrate based cetane improvers, barium-laced smoke suppressants, biocides to kill algae – these biocides … Continue reading Engine Warranty Compliance