Renewable Fuels Processing Guide
Product Specifications
Chapter from the Renewable Fuels Processing Guide.
PRODUCT SPECIFICATIONS
Renewable Diesel Specifications
| Property | ASTM D975 (No. 2-D) | EN 15940 (Paraffinic Diesel) | Typical HVO | Test Method | Notes |
|---|---|---|---|---|---|
| Cetane Number | Min 40 | Min 70 | 75-90 | ASTM D613 | HVO far exceeds conventional diesel |
| Sulfur | Max 15 ppm (ULSD) | Max 5 ppm | <1 ppm | ASTM D5453 | Essentially sulfur-free |
| Density (lb/gal) | 6.7-7.1 | 6.3-6.7 | 6.4-6.6 | ASTM D4052 | Lower density than petroleum diesel |
| Cloud Point | Report | Report / -34°C Class 2 | Per isomerization severity | ASTM D2500 | Isomerization controls cold flow |
| Distillation T90 | Max 640°F | Max 640°F | 520-600°F | ASTM D86 | Narrower boiling range than petroleum |
| Flash Point | Min 125°F | Min 131°F | 150-200°F | ASTM D93 | Exceeds minimum easily |
| Aromatics | Max 35% | Max 1.0% | <1% | ASTM D1319 | Paraffinic — very low aromatics |
| Lubricity (HFRR) | Max 520 µm | Max 460 µm | May need additive | ASTM D6079 | Pure HVO may need lubricity additive |
Sustainable Aviation Fuel (SAF) — ASTM D7566
| Annex | Pathway | Blend Limit | Feedstock | Key Property | Status |
|---|---|---|---|---|---|
| Annex A1 | Fischer-Tropsch SPK | 50% | Biomass, MSW, nat gas | Synthetic paraffinic kerosene | Approved |
| Annex A2 | HEFA-SPK | 50% | Fats, oils, greases | Hydrotreated esters & fatty acids | Approved — most common |
| Annex A3 | SIP (Farnesene) | 10% | Sugarcane fermentation | Synthesized iso-paraffins | Approved — limited supply |
| Annex A5 | ATJ-SPK | 50% | Ethanol or isobutanol | Alcohol-to-jet synthetic kerosene | Approved |
| Annex A7 | CHJ (Co-hydroprocessed) | 50% | Fats + petroleum | Co-hydroprocessed jet fuel | Approved — enables co-processing |
Source: Renewable_Fuels_Processing_Guide_v1.xlsx · sheet “Product Specifications”
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