 FORT VALLEY, Ga.--BUSINESS WIRE--School bus manufacturer Blue Bird Corporation, with its commitment to move bus fleets to clean-power solutions, has now exceeded 400 electric-powered school buses delivered or on order. With momentum building, electric-bus sales are expected to increase further before the end of 2021. With more than 400 electric-powered school buses delivered or ordered in the last three years, Blue Bird is the only manufacturer that produces and sells today all three school-b 