ComEd/Exelon

ComEd/Exelon in Oakbook, IL, has used 5.2 million gallons of B20 (20% biodiesel/80% petroleum diesel) since they began the program in March 2001. ComEd has approximately 2100 various diesel-powered vehicles, tasked with supplying the northern third of the state of Illinois with electric power. The company runs B20 exclusively in its fleet.