·         Ultra-low-sulfur diesel (ULSD), for motor vehicle use across the country

·         CARB (California Air Resource Board) diesel, for motor vehicle use in California

·         Low-sulfur diesel, primarily for off-road use in construction and agricultural applications

·         Off-road diesel, primarily for railroad locomotive and marine use

·         Additives

o   Dye - blended with diesel to indicate off-road use only

o   CFI - Cold Flow Inhibitor, which improves fuel performance in low temperatures

o   TXLED - Texas Low Emission Diesel additive

o   Cetane - increases the performance of diesel in certain conditions