The BioPro™ 190 - The BioPro™ 190 is a 50 gallon batch processing appliance that converts vegetable and animal oils into high quality (ASTM-grade) biodiesel in 48 hours. This process can be sped up to 23 hours with the purchase of the award winning BioPro™ 190EX. And if you're really in a hurry, you can always add the SpringPro™ T76 dry wash system to your back end to complete the process in 11.5 hours.