Oct 24, 2025 1:01 PM Eastern Daylight Time Guilford County Schools Unveils First Propane School Buses Share District will operate 10 new Blue Bird Vision Propane buses, lowering fuel and maintenance costs while reducing emissions Each of the new 2025 Blue Bird Vision Propane 72-passenger school buses comes equipped with a 7.3L V8 Ford engine and ROUSH CleanTech propane fuel system. Ford's 335-horsepower 7.3L engine is compact, powerful and easy to maintain. This bus retains equivalent horsepower, torque, an ...