Micro Bird teamed up with Roush CleanTech in 2012 to offer cleaner buses with simplified emissions system and proven performance. This model is equipped with ROUSH CleanTech’s Gen5 propane fuel system, which integrates Ford’s 7.3L V8 engine. This compact, 350-horsepower engine benefits from all Ford’s performance and quality characteristics, such as horsepower, torque and towing, while maintaining the outstanding OEM factory warranty. The propane G5 is the best choice if you want a greener bus with as much as 30 passengers or five wheelchairs, a feature only Micro Bird can provide.