9m city bus, CNG bus,intercity bus,special CNG engine, and uses natural gas as the drive power 9m city bus,CNG bus,natural gas bus,intercity bus, special CNG engine, and uses natural gas as the drive power, does not smell smeary or other abnormal scent, and the exhaust emission of which can at least meet the Euro III emission Standard. Overall Dimensions Overall length (mm)9250Engine ...