Conversion of nearly 100 diesel school buses to "clean diesel" technology in Springfield will receive some of the funds in a $975,609 grant the U.S. Environmental Protection Agency is making to the Missouri Department of Natural Resources, according to the News Leader. The Springfield project will involved 98 school buses to be converted by DNR and the Ozark Center for Sustainable Solutions at Drury University. Another13 buses will be replaced. Federal stimulus funds also will go to a retrofit project in St. Louis.