UPS' hybrid trucks, Walmart's hybrid trucks, London's hybrid buses and now hybrid school buses. Yeah! A. Siegel, DailyKos blogger who writes on energy and energy policy issues, has a post discussing the $10 million the Department of Energy just set aside for another round of plug-in school bus improvement along with funding another 60 buses for testing. There has been a Plug-In Hybrid Electric (PHEB), school bus program for awhile.