French Fries and a Fill-up | 8:27 am | 24 May 2005
A manager at a Wisconsin Culver’s Custard read an article about vegetable oil-fueled cars, saw the 60 gallons of oil they were paying to have taken away, and started saving $500 a month after he converted his truck. Now the whole Culver’s chain has teamed up with the Madison Environmental Group to convert all the company cars to biofuel.
