The use of Enerburn diesel born catalyst reduced fuel consumption at “Notch 3” engine load by 9.5% (+/- 1%). Fuel consumption was measured as Brake Specific Feul Consumption (BSFC) in units of lb/hp-hr. “Notch 4” corresponds to 40% powered, 60% idle. The Correlation Coefficient (R²) for entire test range, Notch 1 – 8, was 0.962.