- Biodiesel is produced from new and used vegetable oils, animal fats, and recycled restaurant grease.
- Significantly reduced life cycle carbon emissions.
- Can range in concentration from B2 (2% biodiesel, 98% diesel) to B100.
- B20 (20% biodiesel, 80% diesel fuel) is the most common blend.
- All major OEMs support the use of at least B5 under their warranties.
- Biodiesel is available in all 50 states.
- Examples: Ram 2500 HD, GMC Sierra 2500.
Ethanol Flex-Fuel Vehicles (FFV)
- Run on gasoline and any blend of gasoline and ethanol up to E85 (or flex fuel).
- E85 is a blend of gasoline and 51% - 83% ethanol.
- One fueling system that can accommodate the variance in fuel.
- Very similar to gasoline vehicles.
- Can have a lower fuel economy than a conventional vehicle.
- Examples: Chevrolet Impala, Audi A4 Quattro.