Noted: The science part of his job is the most rewarding, Dr. Chu said. On his visit to Milwaukee, he visibly brightened when one University of Wisconsin researcher told him about a local entrepreneur who was turning the waste products from cheesemaking into ethanol, which was then blended with gasoline at a nearby convenience store.
â??Does he drop some off at the liquor store on his way?â? Dr. Chu asked impishly.