Abstract: Through analysis, the testing of driving cycle of the city-bus in Wuhan essential for “EQ6110HEV hybrid electric city-bus” project is pointed out. Furthermore, through the introduction of the driving cycles widely used at home and aboard, and the analyzing of the driving cycle of the city-bus in Wuhan, the crucial characters of the driving cycle of the city-bus in Wuhan is summarized, and the national criterion of hybrid city-bus should be enacted for the evaluation and the optimization of the performance to the hybrid electric city bus are put forward.

Key words: Driving cycle, Hybrid