Anheuser-Busch explores crops as renewable energy source


For 21 years, Dwayne Westfall has kept watch over a sprawling agricultural site owned by Anheuser-Busch Cos. in Fort Collins, Colo. As a nearby A-B brewery pumped nutrient-rich residual water to the site, Westfall — a professor of soil science at Colorado State University — checked how well corn and other crops soaked up the nutrients.